January
January 02 1861 – Death of King Friedrich Wilhelm IV
January 02 1861 – Accession of Kaiser Wilhelm I
January 07 1890 – Death of Kaiserin Augusta, wife of Wilhelm I
January 13 1797 – Death of Queen Elisabeth Christine, wife of Friedrich II
January 13 1932 – Death of Princess Sophie, Queen of the Hellenes
January 18 1701 – Duchy of Prussia elevated to Kingdom of Prussia
January 18 1701 – Friedrich III, Elector of Brandenburg and Duke of Prussia crowns himself King in Prussia, as Friedrich I
January 18 1871 – Formal proclaimation of the establishment of the German Empire
January 18 1871 – King Wilhelm I becomes first German Emperor (Kaiser)
January 20 2013 – Birth of Prince Carl Friedrich, son of Georg, Prince of Prussia
January 20 2013 – Birth of Prince Louis Ferdinand, son of Georg, Prince of Prussia
January 22 1954 – Death of Princess Margaret (Mossy), Landgravine of Hesse
January 24 1712 – Birth of King Friedrich II (Frederick the Great)
January 25 1858 – Marriage of Kaiser Friedrich III to Victoria, Princess Royal of the United Kingdom
January 25 1893 – Marriage of Princess Margaret (Mossy) to Prince Friedrich Karl, Landgrave of Hesse
January 27 1859 – Birth of Kaiser Wilhelm II
January 27 1888 – Birth of Countess Ina-Marie von Bassewitz, wife of Prince Oskar
January 27 1958 – Death of Prince Oskar, son of Wilhelm II and Augusta Viktoria
January 29 1887 – Birth of Prince August Wilhelm, son of Wilhelm II and Augusta Viktoria
January 30 1978 – Birth of Princess Cornelie-Cécile, daughter of Prince Louis Ferdinand

February
February 01 1705 – Death of Queen Sophia Charlotte, wife of Friedrich I
February 02 1979 – Birth of Duchess Sophia Charlotte of Oldenburg, wife of Prince Eitel Friedrich
February 10 1868 – Birth of Prince Waldemar, son of Friedrich III and Victoria
February 18 1878 – Marriage of Princess Charlotte to Bernhard III, Duke of Saxe-Meiningen
February 25 1713 – Death of King Friedrich I
February 25 1713 – Accession of King Friedrich Wilhelm I
February 25 1805 – Death of Queen Frederika Louisa, wife of Friedrich Wilhelm II
February 27 1881 – Marriage of Kaiser Wilhelm II to Princess Augusta Viktoria of Schleswig-Holstein
February 27 1906 – Marriage of Prince Eitel Friedrich to Duchess Sophia Charlotte of Oldenburg

March
March 07 1978 – Birth of Princess Sophie of Isenburg, wife of Georg Friedrich, The Prince of Prussia
March 09 1888 – Death of Kaiser Wilhelm I
March 09 1888 – Accession of Kaiser Friedrich III
March 10 1776 – Birth of Princess Louise of Mecklenburg-Strelitz, wife of Friedrich Wilhelm III
March 11 1916 – Marriage of Prince Joachim to Princess Marie-Auguste of Anhalt
March 14 1946 – Birth of Prince Christian-Sigismund, son of Prince Louis Ferdinand
March 22 1797 – Birth of Kaiser Wilhelm I
March 25 1949 – Death of Prince August Wilhelm, son of Wilhelm II and Augusta Viktoria
March 26 1687 – Birth of Sophia Dorothea of Hanover, wife of Friedrich Wilhelm I
March 27 1879 – Death of Prince Waldemar, son of Friedrich III and Victoria

April
April 11 1921 – Death of Kaiserin Augusta Viktoria, 1st wife of Wilhelm II
April 12 1866 – Birth of Princess Viktoria (Moretta), daughter of Friedrich III and Victoria
April 21 1887 – Birth of Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg, wife of Prince August Wilhelm
April 20 1929 – Death of Prince Heinrich, son of Friedrich III and Victoria
April 22 1872 – Birth of Princess Margaret (Mossy), daughter of Friedrich III and Victoria
April 23 1923 – Death of Princess Louise, Grand Duchess of Baden
April 25 1971 – Death of Princess Adelheid of Saxe-Meiningen, wife of Prince Adalbert of Prussia

May
May 06 1882 – Birth of Crown Prince Wilhelm, son of Wilhelm II and Augusta Viktoria
May 06 1954 – Death of Crown Princess Cecilie, wife of Crown Prince Wilhelm
May 09 1909 – Birth of Grand Duchess Kira Kirillovna, wife of Louis Ferdinand, Prince of Prussia
May 24 1888 – Marriage of Prince Heinrich to Princess Irene of Hesse and by Rhine
May 24 1913 – Marriage of Princess Viktoria Luise to Ernst August of Hanover, Duke of Brunswick
May 24 1975 – Marriage of Prince Louis Ferdinand to Countess Donata Emma of Castell-Rüdenhausen
May 31 1740 – Death of King Friedrich Wilhelm I
May 31 1740 – Accession of King Friedrich II (Frederick the Great)

June
June 04 1941 – Death of Kaiser Wilhelm II
June 06 1905 – Marriage of Crown Prince Wilhelm to Duchess Cecilie of Mecklenburg-Schwerin
June 07 1840 – Death of King Friedrich Wilhelm III
June 07 1840 – Accession of King Friedrich Wilhelm IV
June 10 1898 – Birth of Princess Marie-Auguste of Anhalt, wife of Prince Joachim of Prussia
June 10 1976 – Birth of Georg Friedrich, current Pretender to the Prussian throne, son of Prince Louis Ferdinand (II)
June 11 1829 – Marriage of Kaiser Wilhelm I to Princess Augusta of Saxe-Weimar-Eisenach
June 12 1733 – Marriage of King Friedrich II to Princess Elisabeth Christine of Brunswick-Wolfenbüttel
June 12 1985 – Death of Prince Alexander Ferdinand, son of Prince August Wilhelm
June 14 1870 – Birth of Princess Sophie, daughter of Friedrich III and Victoria
June 15 1888 – Death of Kaiser Friedrich III
June 15 1888 – Accession of Kaiser Wilhelm II
June 18 1866 – Death of Prince Sigismund, son of Friedrich III and Victoria
June 21 1950 – Birth of Countess Donata Emma of Castell-Rüdenhausen, wife of Prince Louis Ferdinand
 June 28 1757 – Death of Queen Sophia Dorothea, wife of Friedrich Wilhelm I

July
July 07 1883 – Birth of Prince Eitel Friedrich, son of Wilhelm II and Augusta Viktoria
July 11 1657 – Birth of King Friedrich I
July 11 1977 – Death of Prince Louis Ferdinand, son of Louis Ferdinand, Prince of Prussia
July 14 1769 – Marriage of King Friedrich Wilhelm II to Princess Frederika Louisa of Hesse-Darmstadt
July 14 1884 – Birth of Prince Adalbert, son of Wilhelm II and Augusta Viktoria
July 16 1782 – Death of Princess Louisa Ulrika, Queen of Sweden
July 18 1920 – Death of Prince Joachim, son of Wilhelm II and Augusta Viktoria
July 19 1810 – Death of Queen Louise, wife of Friedrich Wilhelm III
July 20 1951 – Death of Crown Prince Wilhelm, son of Wilhelm II and Augusta Viktoria
July 24 1720 – Birth of Princess Louisa Ulrika, daughter of Friedrich Wilhelm I and Sophia Dorothea
July 24 1860 – Birth of Princess Charlotte, daughter of Friedrich III and Victoria
July 27 1888 – Birth of Prince Oskar, son of Wilhelm II and Augusta Viktoria
July 31 1914 – Marriage of Prince Oskar to Countess Ina-Marie von Bassewitz

August
August 03 1770 – Birth of King Friedrich Wilhelm III
August 03 1914 – Marriage of Prince Adalbert to Princess Adelheid of Saxe-Meiningen
August 05 1901 – Death of Kaiserin Victoria, wife of Friedrich III
August 07 1947 – Death of Kaiserin Hermine, 2nd wife of Wilhelm II
August 14 1688 – Birth of King Friedrich Wilhelm I
August 14 1862 – Birth of Prince Heinrich, son of Friedrich III and Victoria
August 16 1891 – Birth of Princess Adelheid of Saxe-Meiningen, wife of Prince Adalbert
August 17 1786 – Death of King Friedrich II (Frederick the Great)
August 17 1786 – Accession of King Friedrich Wilhelm II
August 18 1744 – Marriage of Princess Louisa Ulrika to King Adolf Frederick of Sweden
August 25 1944 – Birth of Prince Louis Ferdinand, son of Louis Ferdinand, Prince of Prussia
August 25 2011 – Marriage of Georg Friedrich, Prince of Prussia to Princess Sophie of Isenburg

September
September 08 1967 – Death of Grand Duchess Kira Kirillovna, wife of Louis Ferdinand, Prince of Prussia
September 13 1892 – Birth of Princess Viktoria Luise, daughter of Wilhelm II and Augusta Viktoria
September 15 1864 – Birth of Prince Sigismund, son of Friedrich III and Victoria
September 17 1973 – Death of Princess Ina-Marie, wife of Prince Oskar of Prussia
September 20 1856 – Marriage of Princess Louise to Friedrich I, Grand Duke of Baden
September 20 1886 – Birth of Duchess Cecilie of Mecklenburg-Schwerin, wife of Crown Prince Wilhelm
September 22 1948 – Death of Prince Adalbert, son of Wilhelm II and Augusta Viktoria
September 25 1744 – Birth of King Friedrich WIlhelm II
September 26 1994 – Death of Prince Louis Ferdinand, son of Crown Prince Wilhelm and Crown Princess Cecilie
September 30 1811 – Birth of Princess Augusta of Saxe-Weimar-Eisenach, wife of Wilhelm I

October
October 01 1919 – Death of Princess Charlotte, Duchess of Saxe-Meiningen
October 08 1684 – Marriage of King Friedrich I to Sophia Charlotte of Hanover
October 15 1795 – Birth of King Friedrich Wilhelm IV
October 16 1751 – Birth of Princess Frederika Louisa of Hesse-Darmstadt, wife of Friedrich Wilhelm II
October 18 1831 – Birth of Kaiser Friedrich III
October 20 1926 – Divorce of Prince Eitel Friedrich and Duchess Sophia Charlotte of Oldenburg
October 22 1858 – Birth of Princess Augusta Viktoria of Schleswig-Holstein, first wife of Wilhelm II
October 22 1908 – Marriage of Prince August Wilhelm to Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg
October 27 1889 – Marriage of Princess Sophie to Constantine I, King of the Hellenes
October 30 1668 – Birth of Sophia Charlotte of Hanover, wife of Friedrich I

November
November 05 1922 – Marriage of Kaiser Wilhelm II to Princess Hermine Reuss of Greiz
November 08 1715 – Birth of Princess Elisabeth Christine of Brunswick-Wolfenbüttel, wife of Friedrich II
November 09 1907 – Birth of Prince Louis Ferdinand, son of Crown Prince Wilhelm and Crown Princess Cecilie
November 09 1918 – Abdication of Kaiser Wilhelm II and the end of the Prussian and German monarchies
November 13 1801 – Birth of Elisabeth Ludovika of Bavaria, wife of Friedrich Wilhelm IV
November 13 1929 – Death of Princess Viktoria, daughter of Friedrich III and Victoria
November 16 1797 – Death of King Friedrich Wilhelm II
November 16 1797 – Accession of King Friedrich Wilhelm III
November 19 1890 – Marriage (first) of Princess Viktoria to Prince Adolf of Schaumburg-Lippe
November 19 1927 – Marriage (second) of Princess Viktoria to Alexander Zoubkov
November 21 1840 – Birth of Victoria, Princess Royal of the United Kingdom, wife of Friedrich III
November 28 1706 – Marriage of King Friedrich Wilhelm I to Sophia Dorothea of Hanover
November 29 1823 – Marriage of King Friedrich Wilhelm IV to Elisabeth Ludovika of Bavaria

December
December 03 1838 – Birth of Princess Louise, daughter of Wilhelm I and Augusta
December 05 1848 – Prussia becomes a Constitutional Monarchy ending nearly 150 years of absolute rule
December 08 1942 – Death of Prince Eitel Friedrich, son of Wilhelm II and Augusta Viktoria
December 11 1980 – Death of Princess Viktoria Luise, Duchess of Brunswick (daughter of Wilhelm II and Augusta Viktoria)
December 14 1873 – Death of Queen Elisabeth Ludovika, wife of Friedrich Wilhelm IV
December 17 1887 – Birth of Princess Hermine Reuss of Greiz, 2nd wife of Wilhelm II
December 17 1890 – Birth of Prince Joachim, son of Wilhelm II and Augusta Viktoria
December 24 1793 – Marriage of King Friedrich Wilhelm III to Princess Louise of Mecklenburg-Strelitz
December 26 1912 – Birth of Prince Alexander Ferdinand, son of Prince August Wilhelm