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Francisco, Duke of Cadiz, King Consort of Spain; Credit – Wikipedia

April 17, 1080 – Death of King Harald III of Denmark; buried in Dalby Church in Dalby, now in Sweden, part of Denmark at the time
King Harald III of Denmark was born circa 1042 and reigned as King of Denmark from 1076 to 1080. He was the first of five illegitimate sons of Sweyn II Estridsson, King of Denmark, to become King of Denmark. Harald III married Margareta Asbjørnsdatter, the daughter of Jarl Asbjörn Ulfsen, a Danish nobleman. There are no known children from the marriage. Harald succeeded his father, Sweyn II Estridsson, King of Denmark in 1076. He died on April 17, 1080, aged around 38, and was succeeded by his brother, King Cnut IV of Denmark. A 2015 study suggested that King Harald III may have died of Brugada syndrome, a genetic disorder in which the electrical activity in the heart is abnormal. It increases the risk of abnormal heart rhythms and sudden cardiac death. The study showed that perhaps up to fourteen Danish kings who suddenly died at a relatively young age without being ill possibly died of Brugada Syndrome.
Unofficial Royalty: Harald III, King of Denmark

April 17, 1662 – Birth of Erdmuthe of Dietrichstein, Princess of Liechtenstein, wife of her first cousin Hans-Adam I, Prince of Liechtenstein, probably either in Vienna, then in the Duchy of Austria, now in Austria, or in Nikolsburg, then in the Principality of Dietrichstein-Nikolsburg, now the city of Mikulov in the Czech Republic
Full name: Erdmuthe Maria Theresia
In 1681, nineteen-year-old Erdmuthe married her nineteen-year-old first cousin, Hans-Adam, heir to the Principality of Liechtenstein. The couple had eleven children, but all their sons predeceased Hans-Adam. Hans-Adam died in 1712, at the age of 49. After the death of her husband, Erdmuthe spent most of her time in Vienna and Judenau-Baumgarten, which was owned by the House of Liechtenstein and where Erdmuthe founded a hospital. She devoted herself to philanthropic activities, including providing shelters for the poor. Erdmuthe survived her husband by twenty-five years, dying on March 16, 1737, in Vienna, Austria, at the age of 84.
Unofficial Royalty: Erdmuthe of Dietrichstein, Princess of Liechtenstein

April 17, 1711 – Death of Joseph I, Holy Roman Emperor, King of Bohemia, Archduke of Austria, King of Croatia, and King of Hungary, at the Hofburg Palace in Vienna, Austria; buried in the Imperial Crypt at the Capuchin Church in Vienna
Joseph ruled over the hereditary Habsburg lands and was elected Holy Roman Emperor in 1705. His reign lasted just six years. During the 1711 smallpox epidemic 1711, which killed Louis, Le Grand Dauphin of France, the only surviving child and heir of King Louis XIV of France, and three siblings of the future Holy Roman Emperor Franz I, Joseph also became ill with smallpox. On April 17, 1711, Joseph died, aged thirty-two, at the Hofburg Palace in Vienna.
Unofficial Royalty: Joseph I, Holy Roman Emperor, King of Bohemia, Archduke of Austria, King of Croatia, and King of Hungary, in Vienna, Austria

April 17, 1818 – Death of Heinrich XLII, 1st Prince Reuss of Gera in Schleiz, Principality of Reuss-Gera; buried in the Princely Crypt at the Bergkirche St. Marien now in Schleiz, Thuringia, Germany
In 1779, Heinrich XLII married Princess Caroline of Hohenlohe-Kirchberg in Kirchberg an der Jagst. The couple had eight children, but only three survived to adulthood. When Heinrich XLII’s father died in 1784, he became Count Reuss of Schleiz. In 1802, when Heinrich XXX, Count Reuss of Gera died without an heir, Heinrich XLII also became Count Reuss of Gera. In 1806, Heinrich XLII received the title of Prince from Napoleon I, Emperor of the French, and his two counties were raised to the Principality of Reuss-Gera or Reuss Younger Line, and Heinrich XLII was then titled 1st Prince Reuss of Gera. Heinrich XLII, 1st Prince of Reuss of Gera died on April 17, 1818, aged 66.
Unofficial Royalty: Heinrich XLII, 1st Prince Reuss of Gera

April 17, 1838 – Birth of Antoinette of Saxe-Altenburg, Duchess of Anhalt, wife of Friedrich I, Duke of Anhalt, in Bamberg, Kingdom of Bavaria, now in Bavaria, Germany
Full name: Antoinette Charlotte Marie Josephine Karoline Frida
In 1854, Antoinette married the future Friedrich I, Duke of Anhalt, and they had six children. At the age of 70, four years after the death of her husband, Antoinette, Dowager Duchess of Anhalt died.
Unofficial Royalty: Antoinette of Saxe-Altenburg, Duchess of Anhalt

April 17, 1902 – Death of Francisco, Duke of Cadiz, King Consort of Queen Isabella II of Spain; at the Château of Épinay-sur-Seine in France; buried at the Monastery of San Lorenzo El Real in El Escorial, Spain
In 1846, at the age of 24, Francisco married his double first cousin, the sixteen-year-old Queen Isabella II of Spain. Francisco and Isabella’s marriage was not happy, and there were persistent rumors that few, if any, of her children, were fathered by her husband. Nevertheless, Francisco claimed all the children as his.  Only five of the nine reached adulthood.  His wife Isabella officially abdicated in 1870, and after the First Spanish Republic collapsed, and their son, Alfonso XII, became king. Francisco accompanied his deposed wife into exile in 1868, but they soon separated. However, Francisco and Isabella formed a friendly relationship after their separation. Francisco died on April 17, 1902, in Épinay-sur-Seine, France.
Unofficial Royalty: Francisco, Duke of Cadiz, King Consort of Spain

April 17, 1940 – Death of Katharina Schratt, the confidante of Franz Joseph I, Emperor of Austria; buried at Hietzing Cemetery in Vienna, Austria, adjacent to Schönbrunn Palace
In December 1873, Emperor Franz Joseph of Austria and his wife Empress Elisabeth attended a gala performance of Shakespeare’s The Taming of the Shrew at the Stadttheater in Vienna, Austria. No one could have foreseen that Katharina Schratt, the actress playing the female lead role, whom Franz Joseph saw for the first time that evening, would become an important person in his life. Katharina had a long-standing private relationship with Franz Joseph I, Emperor of Austria, however, the exact nature of their relationship is unclear. Some believe that Katharina and Franz Joseph were lovers. Others believe that their relationship was platonic and that Franz Joseph, whose wife was emotionally distant from him and fled from him as well as her duties at court by frequent traveling, needed someone to support him emotionally. Franz Joseph also had to deal with the violent deaths of relatives. Certainly, Katharina’s emotional support helped Franz Joseph to deal with all these tragedies. Katharina always maintained the strictest discretion regarding her relationship with Franz Joseph. Katharina Schratt died on April 17, 1940, at the age of 86.
Unofficial Royalty: Katharina Schratt, Confidante of Franz Joseph I, Emperor of Austria

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Carlo II Ludovico, Duke of Parma; Credit – Wikipedia

April 16, 1687 – Death of George Villiers, 2nd Duke of Buckingham, favorite of King Charles II of England, in Kirkbymoorside, Yorkshire, England; buried at Westminster Abbey in London, England
George Villiers, 2nd Duke of Buckingham and his brother Lord Francis Villiers were brought up in the household of King Charles I with Charles I’s sons, the future King Charles II and the future King James II. George and his brother Francis actively supported and fought with the Royalists during the English Civil War. After the death of his brother in a battle near Kingston upon Thames, George Villiers fled England and took refuge like many other royalists in the Netherlands. After the restoration of King Charles II, George held several positions, including Lord Lieutenant of the West Riding of Yorkshire, Minister of State, and Master of the Horse. His endeavor to influence English politics was stymied by the Lord Chancellor Edward Hyde, 1st Earl of Clarendon, and in 1667, George took an active part in the overthrow of Hyde. He then played an important role in the group of five royal advisors that called itself the CABAL, formed from the letters of its members’ names. George was one of the Restoration rakes, which included John Wilmot, 2nd Earl of Rochester, Sir Charles Sedley, and Charles Sackville, 6th Earl of Dorset. Following the example of King Charles II, they distinguished themselves in drinking, sex, and witty conversation. George died on April 16, 1687, aged 59, from complications of a cold he caught while participating in a fox hunt.
Unofficial Royalty: George Villiers, 2nd Duke of Buckingham, favorite of King Charles II of England

April 16, 1693 – Birth of Anna Sophie Reventlow, mistress, bigamous wife, and then legal wife of King Frederik IV of Denmark and Norway, at Clausholm Castle in Jutland, Denmark
After having two previous mistresses, making a bigamous marriage to one and wanting to make a bigamous marriage to the other, Frederik IV fell in love with 19-year-old Anna Sophie after meeting her at a masked ball. He abducted Anna Sophie from her parents’ home and bigamously married her as Frederik’s wife, Queen Louise, was still alive. After Queen Louise’s death, Frederik IV and Anna Sophie were married in a second formal wedding conducted with great ceremony. Although the marriage was still scandalous, it was not declared morganatic, and Anna Sophie was crowned as Queen of Denmark and Norway.
Unofficial Royalty: Anna Sophie Reventlow, Queen of Denmark

April 16, 1865 – Death of Anna of Hesse and by the Rhine, Grand Duchess of Mecklenburg-Schwerin, 2nd wife of Friedrich Franz II, Grand Duke of Mecklenburg-Schwerin, in Schwerin, Grand Duchy of Mecklenburg-Schwerin, now in Mecklenburg-Vorpommern, Germany; buried in Schwerin Cathedral
The sister of Ludwig IV, Grand Duke of Hesse and by Rhine who married Queen Victoria’s daughter Alice, Anna married Friedrich Franz II, Grand Duke of Mecklenburg-Schwerin in 1864. She died at the age of 21 from puerperal fever (childbed fever), a week after giving birth to a daughter who died in her teens.
Unofficial Royalty: Anna of Hesse and by Rhine, Grand Duchess of Mecklenburg-Schwerin

April 16, 1883 – Death of Carlo II Ludovico, Duke of Parma in Nice, France; buried at the Chapel of the Villa Borbone, now in Viareggio, Italy
Carlo Ludovico was born in Spain because, in 1796, the Duchy of Parma was occupied by French troops. After the fall of Napoleon in 1814, the Duchy of Parma was not returned to the Bourbon-Parma family. Instead, the Congress of Vienna gave it to Napoleon’s second wife, Marie-Louise of Austria. In 1820, Carlo Ludovico married Maria Teresa of Savoy, one of the twin daughters of King Vittorio Emanuele I of Sardinia. In 1847, at the death of Napoleon’s second wife Marie-Louise of Austria, Duchess of Parma, Carlo Ludovico succeeded her as the reigning Duke of Parma according to the stipulations of the Congress of Vienna. However, the reign of Carlo II Ludovico, Duke of Parma was short. He was very unpopular with the citizens of Parma, and within a few months, he was ousted by a revolution. Carlo Ludovico regained control of Parma with the help of Austrian troops, but finally abdicated in favor of his son Carlo III, Duke of Parma in 1849. After his abdication, Carlo Ludovico lived at Weistropp Castle, a castle he had purchased in Klipphausen, Kingdom of Saxony, now in the German state of Saxony. He also spent time in Paris, France, and Nice, France, where he died on April 16, 1883, at the age of 83.
Unofficial Royalty: Carlo II Ludovico, Duke of Parma

April 16, 1940 – Birth of Queen Margrethe II of Denmark at Frederik VIII’s Palace at the Amalienborg palace complex in Copenhagen, Denmark
Full name: Margrethe Alexandrine Þórhildur Ingrid
Queen Margrethe II of Denmark succeeded her father King Frederik IX in 1972. In 1967, she married Henri de Laborde de Monpezat, known as Prince Henrik after his marriage. Margrethe and Henrik had two sons. Prince Henrik died on February 13, 2018, at the age of 83. On January 14, 2022, Queen Margrethe II marked fifty years on the Danish throne. She is the second longest-reigning Danish monarch after King Christian IV, who reigned for 59 years, 330 days, from April 4, 1588 until February 28, 1648. Queen Margrethe abdicated in favor of her elder son, King Frederik X of Denmark, on January 14, 2024, the 52nd anniversary of her accession.
Unofficial Royalty: Queen Margrethe II of Denmark

April 16, 1942 – Death of Princess Alexandra of Edinburgh, Princess of Hohenlohe-Langenburg, granddaughter of Queen Victoria, in Schwäbisch-Hall, Baden-Württemburg, Germany; buried in the family cemetery at Schloss Langenburg in Baden-Württemberg, Germany
Alexandra was the daughter of Prince Alfred, Duke of Edinburgh and Duke of Saxe-Coburg-Gotha, and Grand Duchess Maria Alexandrovna of Russia. She married Ernst II, Prince of Hohenlohe-Langenburg. Alexandra and Ernst were second cousins – their grandmothers, Queen Victoria and Princess Feodora of Leiningen – were half-sisters. The couple had five children. In 1913, her father-in-law died, and she and her husband became the Prince and Princess of Hohenlohe-Langenburg, taking up residence at Schloss Langenburg. After her mother died in 1920, Alexandra inherited Palais Edinburg in Coburg. Along with her sisters, she leased Schloss Rosenau from the state until the late 1930s. In 1937, Alexandra joined her husband, and some of her children, as a member of the Nazi Party. Alexandra died on April 16, 1942, aged 64.
Unofficial Royalty: Princess Alexandra of Edinburgh, Princess of Hohenlohe-Langenburg

April 16, 1955 – Birth of Grand Duke Henri of Luxembourg at Betzdorf Castle in Betzdorf, Luxembourg
Full name: Henri Albert Gabriel Felix Marie Guillaume
Henri is the current Grand Duke of Luxembourg, having succeeded his father Grand Duke Jean upon his abdication in 2000. In 1981, Henri married María Teresa Mestre y Batista-Falla, and the couple had five children. In his Christmas Eve speech on December 24, 2024, Grand Duke Henri of Luxembourg announced that he would abdicate in favor of his eldest son, Prince Guillaume, Hereditary Grand Duke of Luxembourg, on October 3, 2025.
Unofficial Royalty: Henri, Grand Duke of Luxembourg

April 16, 1992 – Birth of Prince Sébastien of Luxembourg, son of Grand Duke Henri of Luxembourg, born at the Grand Duchess Charlotte Maternity Hospital in Luxembourg City, Luxembourg
Full name: Sébastien Henri Marie Guillaume of Luxembourg
Sébastien is the youngest of the five children of Grand Duke Henri of Luxembourg. He often participates in official events and functions in Luxembourg, such as National Day, each year in June. He also serves as patron of the Luxembourg Federation of Swimming and Lifesaving.
Unofficial Royalty: Prince Sébastien of Luxembourg

April 16, 2008 – Birth of Princess Eléonore of Belgium, daughter of Philippe, King of the Belgians, born at Erasmus Hospital in Anderlecht, Belgium
Full name: Eléonore Fabiola Victoria Anne Marie
Eléonore of Belgium is the youngest of four children of Philippe, King of the Belgians.
Unofficial Royalty: Princess Eléonore of Belgium

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King Henry IV of England; Credit – Wikipedia

April 15, 1367 – Birth of King Henry IV of England at Bolingbroke Castle in Lincolnshire, England
King Henry IV of England usurped the throne from his first cousin King Richard II of England, and became the first Lancaster king. He was the eldest surviving son of John of Gaunt (third surviving son of King Edward III of England) and his first wife Blanche of Lancaster. In 1380, Henry married heiress Mary de Bohun. Henry and Mary had six children, but Mary died giving birth to their last child at the age of 25. In 1403, Henry married Joan of Navarre. They had no children, but Joan got along well with her stepchildren. During much of King Henry IV’s 13-year reign, he was occupied with war. While in prayer at the shrine of Edward the Confessor at Westminster Abbey, Henry suffered a fatal attack, possibly a stroke.  He was carried to the Jerusalem Chamber, a room in the house of the abbot, where he died at age 45. Henry was not buried at Westminster Abbey but instead requested that he be buried at Canterbury Cathedral, presumably because of an affinity towards Saint Thomas Becket, whose shrine was there.
Unofficial Royalty: King Henry IV of England

April 15, 1646 – Birth of King Christian V of Denmark and Norway at Duborg Castle in Flensburg, Duchy of Schleswig, now in the German state of Schleswig-Holstein
In 1667, Christian married Charlotte Amalie of Hesse-Kassel, and the couple had seven children. Upon his father’s death in 1670, Christian succeeded him as Christian V, King of Denmark and Norway. Christian’s major disappointment was his unsuccessful attempt in the Scanian War to regain Skåne, Halland, and Blekinge, annexed by Sweden during his father’s reign. Christian introduced the 1683 Danish Code (Danske Lov), the first law code for all of Denmark. He also introduced a similar 1687 Norwegian Code (Norske Lov) to replace Christian IV’s 1604 Norwegian Code in Norway. During Christian’s reign, colonies were established in Africa and the Caribbean as part of the Danish triangle trade. The city of Charlotte Amalie, on the island of St. Thomas, the capital and the largest city of the United States Virgin Islands, was named after Christian V’s wife. Christian suffered severe injuries in a hunting accident on October 19, 1698, and never recovered, dying on August 25, 1699, aged 53.
Unofficial Royalty: King Christian V of Denmark and Norway

April 15, 1684 – Birth of Catherine I, Empress of All Russia, in Jakobstadt, Semigallia, Duchy of Courland and Semigallia, now Jēkabpils, Latvia.
Born Marta Helena Skowrońska, Catherine was the daughter of Samuil Skowroński, an ethnic Polish Roman Catholic peasant. She was the second wife of Peter I (the Great), Emperor of All Russia. Catherine and Peter had Catherine and Peter had twelve children, all of whom died in childhood except Anna, who died in childbirth at age 20, and Elizabeth, Empress of All Russia. Catherine became Empress in her own right after Peter died in 1725. During her short reign, Catherine was happy to leave the job of governing to her advisers. She was interested only in issues regarding the navy as Peter’s love for the sea had also touched her. Catherine’s health was adversely affected by living a difficult life, giving birth to twelve children, venereal disease that she contracted from Peter, and her heavy drinking after Peter’s death. 43-year-old Catherine died of tuberculosis in 1727.
Unofficial Royalty: Catherine I, Empress of All Russia

April 15, 1719 – Death of Françoise d’Aubigné, Marquise de Maintenon, mistress and morganatic second wife of King Louis XIV of France, at Saint-Cyr-l’École, France; buried in the chapel at Maison royale de Saint-Louis in St-Cyrr-l’École, France
Françoise was first a mistress of King Louis XIV and became his morganatic second wife after the death of his first wife. She founded the Maison Royale de Saint-Louis, endowed by Louis XIV in Saint-Cyr, France. The Maison Royale was designed to be a school for girls from poorer noble families, much as Françoise had been in her childhood. Following Louis XIV’s death, Françoise retired to Saint-Cyr, where she died and was buried in the school’s chapel.
Unofficial Royalty: Françoise d’Aubigné, Marquise de Maintenon

April 15, 1729 – Death of Countess Maria Anna Katharina of Oettingen-Spielberg, the third of the four wives of Josef Johann Adam, Prince of Liechtenstein; buried at the Parish Church of St. Nicholas at Glogów, in Silesia, now in Poland. The church was destroyed in 1945, and the tomb was not preserved.
On August 3, 1716, in Vienna, Maria Anna married Josef Johann Adam. Josef Johann Adam and Maria Anna had five children, including Josef Johann Adam’s successor, Johann Nepomuk Karl, Prince of Liechtenstein. Maria Anna died on April 15, 1729, at the age of 35.
Unofficial Royalty: The Four Wives of Josef Johann Adam, Prince of Liechtenstein

April 15, 1764 – Death of Jeanne Antoinette Poisson, Madame de Pompadour, mistress and confidante of King Louis XV of France, in her apartments at the Palace of Versailles in Versailles, France; buried at the chapel of the Capuchin convent in Paris, France
Madame de Pompadour was the official mistress of King Louis XV of France from 1745 until 1750 and continued to serve as one of the King’s closest confidantes until her death.
Unofficial Royalty: Jeanne Antoinette Poisson, Madame de Pompadour

April 15, 1776 – Death of Grand Duchess Natalia Alexeievna of Russia in childbirth, first wife of the future Paul I, Emperor of All Russia, in St. Petersburg, Russia; buried in the Annunciation Church at the Alexander Nevsky Monastery in St. Petersburg, Russia
The daughter of Ludwig IX, Landgrave of Hesse-Darmstadt, in 1773, Wilhelmine married Grand Duke Paul Petrovich (the future Paul I, Emperor of All Russia), the son and heir of Catherine II (the Great), Empress of All Russia. After her marriage, she was known as Grand Duchess Natalia Alexeievna. After two-plus years of marriage, Natalia became pregnant. Sadly, she died at the age of 20 after six days of agonizing labor. Her child, a son, also died.
Unofficial Royalty: Wilhelmina Louisa of Hesse-Darmstadt, Grand Duchess Natalia Alexeievna of Russia

April 15, 1883 – Death of Friedrich Franz II, Grand Duke of Mecklenburg-Schwerin in Schwerin, Grand Duchy of Mecklenburg-Schwerin, now in Mecklenburg-Vorpommern, Germany; buried in Schwerin Cathedral
At the age of 21, Friedrich Franz succeeded his father, Paul Friedrich, as Grand Duke of Mecklenburg-Schwerin. He married three times: to Princess Auguste of Reuss-Köstritz (six children), Princess Anna of Hesse and by Rhine (one daughter), and Princess Marie of Schwarzburg-Rudolstadt (four children, including Heinrich of Mecklenburg-Schwerin, who married Queen Wilhelmina of the Netherlands). During his reign, which lasted over 40 years, Friedrich Franz II oversaw numerous reforms in the Grand Duchy, including the improvement of the national hospital system, reform of the judicial system, and the state church. Against the interests of his own relatives in neighboring Mecklenburg-Strelitz, he issued a liberal constitution in 1849. While the constitution was repealed the following year, his efforts made him immensely popular amongst his people. Friedrich Franz II died in 1883 at the age of 61.
Unofficial Royalty: Friedrich Franz II, Grand Duke of Mecklenburg-Schwerin

April 15, 1953 – Death of Luise Charlotte of Saxe-Altenburg, former wife of the future Eduard, Duke of Anhalt, in Altenburg, Germany; buried in the Saxe-Altenburg Ducal Cemetery in Trockenborn-Wolfersdorf, Germany
In 1895, Luise Charlotte married the future Eduard, Duke of Anhalt, and they had six children. Luise Charlotte and Eduard divorced on January 26, 1918, a few months before her husband became Duke of Anhalt. She spent her remaining years in Altenburg, Germany
Unofficial Royalty: Luise Charlotte of Saxe-Altenburg

April 15, 1960 – Birth of King Philippe of the Belgians, at Château de Belvédère in Laeken, Brussels, Belgium
Full name: Philippe Léopold Louis Marie
Philippe ascended to the Belgian throne on July 21, 2013, upon the abdication of his father, King Albert II. On December 4, 1999, Philippe married Mathilde d’Udekem d’Acoz, and the couple had four children. Philippe’s eldest child, Princess Elisabeth, Duchess of Brabant, will become the first female monarch of Belgium due to changes in the succession law in 1991.
Unofficial Royalty: King Philippe of the Belgians

April 15, 1969 – Death of Queen Victoria Eugenie of Spain (Ena), born Princess Victoria Eugenie of Battenberg, wife of King Alfonso XIII of Spain, at Lausanne, Switzerland; originally buried at the Church of Sacré Coeur in Lausanne, France, reinterred in the Royal Vault in the Escorial near Madrid, Spain
Known as Queen Ena of Spain, she was the daughter of Princess Beatrice of the United Kingdom and Prince Henry of Battenberg. The members of the current Spanish Royal Family are her descendants. In 1906, Ena married King Alfonso XIII of Spain. The couple had seven children, and Ena passed on hemophilia to two of her sons. Ena worked with charities that supported the poor, promoted education, and took a particular interest in nursing and hospital care. Following the establishment of the Second Spanish Republic in 1931, the family went into exile, and Ena and Alfonso soon went their separate ways. In February 1968, Ena returned to Spain for the first time since going into exile in 1931 to serve as godmother to her new great-grandson, the future King Felipe VI of Spain. After she returned to her home in Switzerland, her health began to fail. Ena died, aged 87, at her home in Lausanne, Switzerland, surrounded by her family.
Unofficial Royalty: Victoria Eugenie of Battenberg, Queen of Spain

April 15, 1974 – Death of Princess Irene of Greece, Duchess of Aosta, daughter of King Constantine I of Greece, at her home in Fiesole, Italy; buried at the Basilica of Superga in Turin, Italy
Irene was the daughter of King Constantine I of Greece and Princess Sophie of Prussia, a granddaughter of Queen Victoria. In 1934, Irene and her sister Katherine served as bridesmaids for their cousin Princess Marina of Greece when she married Prince George, Duke of Kent.  In 1939, Irene married Prince Aimone of Savoy, 4th Duke of Aosta, and the couple had one son. After the fall of the Italian monarchy in 1946, Irene and her son escaped to Switzerland while Aimone fled to Argentina. The couple was effectively separated after this time, having spent little time together during the preceding years. Aimone died in Buenos Aires in 1948. Irene lived at Villa Domenico in Fiesole, Italy, near her sister Helen, who lived in Villa Sparta. Irene died in 1974, after a long illness, at her home in Fiesole, Italy.
Unofficial Royalty: Princess Irene of Greece, Duchess of Aosta

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Princess Beatrice of the United Kingdom; Credit – Wikipedia

April 14, 1578 – Birth of King Felipe III of Spain at the Royal Alcázar of Madrid in Madrid, Spain
Felipe III was the son of King Felipe II of Spain and Anna of Austria, his fourth wife and his niece. Felipe III had four siblings who all died in childhood. Felipe III’s elder half-brother Carlos, Prince of Asturias, who died ten years before Felipe III’s birth, had poor health, was deformed, and was mentally disabled. Many of his physical and mental disabilities may have stemmed from the inbreeding common in the Spanish House of Habsburg. Twenty-year-old Felipe III succeeded his father Felipe II in 1598. Besides being King of Spain, Felipe III was also King of Portugal, King of Sardinia, King of Naples, King of Sicily, and Duke of Milan.
Unofficial Royalty: King Felipe III of Spain

April 14, 1578 – Death of James Hepburn, 4th Earl of Bothwell, third husband of Mary, Queen of Scots, after ten years of imprisonment in Dragsholm Castle in Denmark;  allegedly buried at Fårevejle Church in Denmark
Bothwell was one of those accused of murdering Henry Stuart, Lord Darnley, Mary, Queen of Scots’ second husband. Darnley’s relatives demanded vengeance, and charges were brought against Bothwell. On the day of the trial, Bothwell rode magnificently through Edinburgh to the trial flanked by nobles and members of the Hepburn family. The trial lasted for seven hours. Bothwell was acquitted, and it was widely rumored that he would marry Mary. Mary and Bothwell were married on May 15, 1567. The marriage angered many Scottish nobles who raised an army against Mary and Bothwell. After the downfall of Mary, Queen of Scots, Bothwell was forced to flee Scotland for Norway, where he was detained because he did not have the proper papers. His detainment turned into imprisonment because of an alleged jilted Danish bride years ago. King Frederik II of Denmark and Norway kept Bothwell as a political pawn. After realizing that Mary would never again be Queen of Scots and that Bothwell was politically insignificant, King Frederik II transferred him to Dragsholm Castle, where he was kept in appalling conditions. A pillar to which he was chained for the last ten years can still be seen, with a circular groove on the floor around it. A body, allegedly said to be Bothwell’s, was buried at Fårevejle Church, near the castle. Bothwell’s ghost is said to haunt the castle, riding through the courtyard with a horse and carriage.
Unofficial Royalty: James Hepburn, 4th Earl of Bothwell

April 14, 1711 – Death of Louis of France, Le Grand Dauphin, eldest son and heir of King Louis XIV of France, at the Château de Meudon in France; buried at the Basilica of St. Denis near Paris, France
Louis of France was the only child of King Louis XIV of France and Maria Theresa of Spain to survive childhood, but he predeceased his father and never became king. He caught smallpox, apparently from a priest who was distributing Holy Communion after he had visited a smallpox victim. Louis had always been healthy and robust, so his illness shocked the people of Paris, the French court, and the royal family. His son Louis, who had been styled Le Petit Dauphin, became the heir to the throne, but in less than a year, he too was dead from measles.
Unofficial Royalty: Louis of France, Le Grand Dauphin

April 14, 1765 – Birth of Augusta Wilhelmine of Hesse-Darmstadt, Duchess of Zweibrücken, first wife of Maximilian I Joseph, King of Bavaria, in Darmstadt, Landgraviate of Hesse-Darmstadt, now in Hesse, Germany
Full name: Marie Auguste Wilhelmine
Princess Augusta Wilhelmine of Hesse-Darmstadt was the first wife of the future Maximilian I Joseph, King of Bavaria. At 31 years old, Augusta Wilhelmine, weakened by five pregnancies and the travails of war, died from pulmonary tuberculosis. Although she died before her husband became King of Bavaria, she was the mother of his successor, King Ludwig I of Bavaria.
Unofficial Royalty: Augusta Wilhelmine of Hesse-Darmstadt, Duchess of Zweibrücken

April 14, 1818 – Birth of Marie of Saxe-Altenburg, Queen of Hanover, wife of King George V of Hanover, in Hildburghausen, Duchy of Saxe-Hildburghausen, now in the German state of Thuringia
Full name: Alexandrine Marie Wilhelmine Katharine Charlotte Theresia Henriette Luise Pauline Elisabeth Friederike Georgine
Marie was the eldest daughter of the six daughters of Joseph, Duke of Saxe-Altenburg and Amalie of Württemberg. In 1843, she married the future and last King of Hanover, George V, and they had three children. George succeeded his father in 1851 but reigned for only 15 years, being exiled from Hanover because of his support for Austria in the Austro-Prussian War. In 1866, Hanover was annexed by Prussia. George never abdicated from the throne of Hanover, and he and Marie lived in exile at Gmunden, Austria. After George’s death, Marie continued living in the Villa Thun in Gmunden,  known as the Queen’s Villa, and is still owned by the House of Hanover. Through her son, Ernst Augustus, Marie is the ancestor of former King Constantine I of Greece, his sister Queen Sofia of Spain, Sofia’s son King Felipe VI of Spain, and Prince Ernst Augustus of Hanover (third husband of Princess Caroline of Monaco).
Unofficial Royalty: Marie of Saxe-Altenburg, Queen of Hanover

April 14, 1857 – Birth of Princess Beatrice of the United Kingdom, daughter of Queen Victoria, at Buckingham Palace in London, England
Full name: Beatrice Mary Victoria
The youngest of the nine children of Queen Victoria and Prince Albert, by the time she was three years old, Beatrice was an aunt twice over.  Only four and a half when her father died, Beatrice had lost one of her principal role models. Because of her mother’s prolonged grief and mourning, Beatrice’s life would forever be shaped by her father’s death. She became a great solace to her mother, and as the years progressed, Queen Victoria hoped Beatrice would always be her constant companion. Beatrice finally got her mother’s permission to marry Prince Henry of Battenberg after promising that Henry would renounce his military career, nationality, and home and agree to live with Beatrice and the Queen. Beatrice and Henry had three sons and one daughter. Through their daughter, they are ancestors of the Spanish royal family. Beatrice was a hemophilia carrier. Her son Leopold was a hemophiliac, and her daughter Victoria Eugenie was a carrier. Beatrice’s youngest Maurice was killed in action during World War I. Beatrice, rather infamously, edited her mother’s journals, deleting two-thirds of the original content. As she aged, Beatrice became very infirm with arthritis and needed to use a wheelchair. She died at the age of 87, the last surviving child of Queen Victoria and Prince Albert. Her funeral was held at St. George’s Chapel, Windsor Castle. Queen Elizabeth, the wife of King George VI, Beatrice’s great-nephew, led Queen Victoria Eugenie of Spain, Beatrice’s daughter, to the open vault in the choir where they both curtsied. Behind them in the choir stalls stood a young woman dressed in black, 18-year-old Princess Elizabeth, the future Queen Elizabeth II.
Unofficial Royalty: Princess Beatrice of the United Kingdom

April 14, 1867 – Birth of Prince Christian Victor of Schleswig-Holstein, grandson of Queen Victoria, at Windsor Castle in Windsor, England
Full name: Christian Victor Albert Ludwig Ernst Anton
Christian was the son of Princess Helena of the United Kingdom and Prince Christian of Schleswig-Holstein. In 1888, Christian joined the British Army, reaching the rank of Major. In 1899, Christian began duty in the Boer War fought between the British Empire and the two Boer Republics. At the age of 33, Christian died of enteric fever during the Boer War in South Africa, having fallen ill with malaria. Although preparations were made to return his body to the United Kingdom, he was buried in a soldier’s grave in Pretoria, now in South Africa, at the wishes of his grandmother Queen Victoria.
Unofficial Royalty: Prince Christian Victor of Schleswig-Holstein

April 14, 1874 – Birth of Alexander Cambridge, 1st Earl of Athlone, husband of Queen Victoria’s granddaughter Princess Alice of Albany, at Kensington Palace in London, England
Full name: Alexander Augustus Frederick William Alfred George
Born Prince Alexander of Teck, and called Alge, his mother was Princess Mary Adelaide of Cambridge, a male-line granddaughter of King George III and a first cousin of Queen Victoria.  His sister was Queen Mary, wife of King George V. In 1904, Alge married Princess Alice of Albany, the daughter of Queen Victoria’s hemophiliac son Prince Leopold, Duke of Albany. Alice and Alge had two surviving children, a son Rupert and a daughter May. In 1928, 20-year-old Rupert died from an injury received in a car accident, which he probably would have recovered from had he not been a hemophiliac. Upon the orders of King George V, during World War I, Alge and other royal family members relinquished the use of all German titles and dignities. Alge became Alexander Cambridge, 1st Earl of Athlone. From 1924 to 1930, Alge was Governor-General of South Africa and Governor-General of Canada from 1940 to 1946. In 1946, Alge retired, and he and Alice lived in a grace and favor apartment at Kensington Palace in London. Alge died on January 16, 1957, at Kensington Palace at the age of 82. His wife Alice survived him by 24 years, dying on January 3, 1981, one month short of her 98th birthday, the last surviving grandchild of Queen Victoria.
Unofficial Royalty: Alexander Cambridge, 1st Earl of Athlone

April 14, 1906 – Birth of King Faisal of Saudi Arabia in Riyadh, then in the Emirate of Nejd and Hasa, now the capital of the Kingdom of Saudi Arabia
King of Saudi Arabia from 1964-1975, King Faisal was shot and killed by his nephew Prince Faisal bin Musaid bin Abdulaziz Al Saud at a majlis, an event where the king opens up his residence to the citizens to enter and petition the king.  A sharia court found Prince Faisal bin Musaid guilty of King Faisal’s murder, and he was publicly beheaded hours later.
Unofficial Royalty: King Faisal of Saudi Arabia
Unofficial Royalty: Assassination of King Faisal of Saudi Arabia (1975)

April 14, 1940 – Birth of Princess Marie of Liechtenstein, wife of Prince Hans-Adam II of Liechtenstein, born Countess Marie Kinsky von Wchinitz und Tettau in Prague, Czechoslovakia, now in the Czech Republic
Full name: Marie Aglaë Bonaventura Theresia
In 1967, Marie married her second cousin, once removed, Hereditary Prince Hans-Adam of Liechtenstein, and they had four children. In November 1989, Hans-Adam succeeded his father as the reigning Prince of Liechtenstein. Princess Marie was involved in many organizations within Liechtenstein, with her focus being on education, culture, and the arts. After suffering a stroke three days earlier, Princess Marie died at a hospital in Grabs, Switzerland, on August 21, 2021, at the age of 81.
Unofficial Royalty: Princess Marie of Liechtenstein

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Maria Theresa of Naples and Sicily, Empress of Austria; Credit – Wikipedia

April 13, 1275 – Death of Eleanor of England, Countess of Leicester, daughter of King John of England, at Montargis Abbey, France; buried at Montargis Abbey
After a seven-year, childless marriage to the much older William Marshal, 2nd Earl of Pembroke, Eleanor married Simon de Montfort, 6th Earl of Leicester. The displeasure of the English nobility with Eleanor’s brother, King Henry III, resulted in the Second Barons’ War. The leader of the forces against Henry III was led by Eleanor’s husband, who wanted to reassert the Magna Carta and force the king to surrender more power to the barons’ council. Henry III’s son, the future King Edward I, led the royalists into battle, defeating and killing de Montfort and his eldest son Edward at the Battle of Evesham. Today, Simon de Montfort is considered one of the fathers of representative government. Eleanor lived the rest of her life as a nun at Montargis Abbey, where she died and was buried.
Unofficial Royalty: Eleanor of England, Countess of Leicester

April 13, 1519 – Birth of Catherine de Medici, wife of King Henri II of France, in Florence, Republic of Florence, now in Italy
Catherine de’ Medici was a member of the Italian House of Medici, a banking family and political dynasty that first became prominent during the first half of the 15th century in the Republic of Florence. In 1533, Catherine married Henri, Duke of Orléans (the future King Henri II), the second son of François I, King of France. They had ten children, including three Kings of France. In 1536, Henri’s elder brother François died, and Henri became the heir to the French throne. He succeeded his father on March 31, 1547, his 28th birthday. After the death of her husband in 1559 due to injuries suffered while jousting in a tournament, Catherine played an important role in the government of France as three of her sons reigned as King of France. She continued to play a role in the government until the last few weeks of her life, dying on January 5, 1589, aged 69.
Unofficial Royalty: Catherine de Medici, Queen of France

April 13, 1573 – Birth of Christina of Holstein-Gottorp, Queen of Sweden, second wife of King Karl IX of Sweden, in Kiel, Duchy of Holstein-Gottorp, now in Schleswig-Holstein, Germany
In 1592, Christina married the future King Karl IX of Sweden as his second wife. They had four children, including Gustavus II Adolphus the Great, King of Sweden. In 1611, Christina’s husband died. Christina was co-regent for her son Gustavus II Adolphus during his short regency. Christina was considered the real power behind the throne during the early years of her son’s reign. In 1622, Christina’s younger son Karl Philip died at the age of twenty after a serious illness. Christina was heartbroken after the death of her younger son, and she retired from public life and lived in seclusion. She survived her husband by fourteen years, dying at the age of 52.
Unofficial Royalty: Christina of Holstein-Gottorp, Queen of Sweden

April 13, 1807 – Death of Maria Theresa of Naples and Sicily, Empress of Austria, second of the four wives of Emperor Franz I of Austria; at Hofburg Palace in Vienna, Austria; buried at the Imperial Crypt in Vienna, Austria
Maria Theresa married her double first cousin, then Archduke Franz of Austria. This was Franz’s second marriage and the only one of his four marriages that resulted in surviving children. Seven of their twelve children survived to adulthood. Among the children of Franz and Maria Theresa were: Marie-Louise, the second wife of Napoleon Bonaparte; Emperor Ferdinand I of Austria, and Maria Leopoldina, the wife of Emperor Pedro I of Brazil.  The marriage lasted nearly seventeen years and was said to be a happy one. Maria Theresa died soon after giving birth to her twelfth child, who also died.
Unofficial Royalty: Maria Theresa of Naples and Sicily, Empress of Austria

April 13, 1866 – Birth of Grand Duke Alexander Mikhailovich of Russia, husband of Grand Duchess Xenia Alexandrovna of Russia (daughter of Alexander III, Emperor of All Russia), in Tbilisi, Caucasus Viceroyalty of the Russian Empire, now the capital of Georgia
Grand Duke Alexander Mikhailovich of Russia, known as Sandro, was the son of Grand Duke Michael Nikolaevich of Russia (son of Nicholas I, Emperor of All Russia). In 1894, Sandro married Grand Duchess Xenia Alexandrovna of Russia, the sister of Sandro’s friend, the future Nicholas II, Emperor of All Russia, and the daughter of Alexander III, Emperor of All Russia and Dagmar of Denmark (Empress Maria Feodorovna). The couple had one daughter and six sons, and they are the ancestors of most of the current Romanov descendants. Sandro and Xenia escaped during the Russian Revolution, and Sandro was the only one of four surviving brothers to escape from Russia. In July 1918, his brother Sergei was killed by the Bolsheviks with Grand Duchess Elisabeth Feodorovna and four other Romanovs. His brothers Nicholas and George, along with two other Grand Dukes, were shot in January 1919 at the Fortress of St. Peter and Paul in St. Petersburg.
Unofficial Royalty: Grand Duke Alexander Mikhailovich of Russia

April 13, 1870 – Death of Sarah Lyttelton, Baroness Lyttelton, Lady of the Bedchamber to Queen Victoria and Governess to the Royal Children, at Hagley Hall in Hagley,  Worcestershire; buried in the Lyttelton family plot in the cemetery at St. John the Baptist Church in Hagley
Born Lady Sarah Spencer, the daughter of George Spencer, 2nd Earl Spencer, she married Sir William Henry Lyttelton, 3rd Baron Lyttelton. She was in Queen Victoria’s service from 1837 – 1850. Upon her retirement from service, Sarah returned to her family at Hagley Hall and settled into life as a grandmother. She kept in contact with the Royal Family and occasionally met them at social functions. In January 1858, she was a guest at the wedding of The Princess Royal and Prince Friedrich of Prussia (the future German Emperor Friedrich III). Ten years later, she hosted a visit from the couple at her home in London. At the age of 82, Sarah died at Hagley Hall on April 13, 1870.
Unofficial Royalty: Sarah Lyttelton, Baroness Lyttelton

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