02 – Birth of Princess Sirindhorn of Thailand (1955)
05 – Birth of Princess Ubol Ratana of Thailand (1951)
06 – Birth of Lord Frederick Windsor, son of Prince Michael of Kent (1979)
08 – Birth of Leah Isadora Behn, daughter of Princess Märtha Louise of Norway (2005)
09 – Birth of Princess Tomohito of Japan, born Aso Nobuko (1955)
09 – Wedding of Prince Charles, Prince of Wales and Camilla Parker-Bowles (2005)
10 – Wedding of Emperor Akihito of Japan and Michiko Shoda (1959)
10 – Birth of Princess Tatjana of Liechtenstein (1973)
10 – Birth of Prince Floris of Orange-Nassau, van Vollenhoven (1975)
10 – Wedding of Princess Haya of Jordan and Sheikh Mohammed Bin Rashid Al Maktoum of Dubai (2004)
10 – Birth of Princess Ariane of the Netherlands (2007)
12 – Wedding of Prince Laurent of Belgium and Claire Coombs (2003)
14 – Birth of Princess Marie of Liechtenstein, born Countess Marie Kinsky von Wchinitz und Tettau (1940)
15 – Birth of King Philippe of the Belgians (1960)
16 – Birth of Queen Margrethe II of Denmark (1940)
16 – Birth of Grand Duke Henri of Luxembourg (1955)
16 – Birth of Prince Sébastien of Luxembourg (1992)
16 – Birth of Princess Eléonore of Belgium (2008)
17 – Birth of Prince Maurits of Orange-Nassau, van Vollenhoven (1968)
18 – Birth of Princess Nori of Japan, now Sayako Kuroda, lost her rank and imperial title when she married (1969)
18 – Birth of Princess Annette of Orange-Nassau, born Annette Sekrève (1972)
19 – Birth of King Mswati III of Swaziland (1968)
19 – Birth of Prince Alexander of Sweden, Duke of Södermanland (2016)
21 – Birth of Queen Elizabeth II of the United Kingdom (1926)
21 – Birth of Princess Isabella of Denmark (2007)
22 – Birth of Daniel Chatto, husband of Lady Sarah Armstrong-Jones, daughter of Princess Margaret of the United Kingdom (1957)
23 – Birth of Princess Aisha bint Hussein of Jordan (1968)
23 – Birth of Princess Zein bint Hussein of Jordan (1968)
23 – Birth of Lady Gabriella Windsor, daughter of Prince Michael of Kent (1981)
23 – Birth of Princess Laetitia Maria of Belgium, Archduchess of Austria, daughter of Princess Astrid of Belgium (2003)
23 – Wedding of Prince Ali Bin Al-Hussein of Jordan and Rym Brahimi (2004)
24 – Birth of Princess Iman bint Al-Hussein of Jordan (1983)
25 – Birth of Princess Muna al-Hussein of Jordan, born Antoinette Avril Gardiner, second wife of King Hussein I of Jordan, mother of King Abdullah II of Jordan (1941)
27 – Birth of King Willem-Alexander of the Netherlands (1967)
28 – Birth of Lady Helen Windsor, daughter of Prince Edward, Duke of Kent (1964)
29 – Birth of Princess Benedikte of Denmark (1944)
29 – Birth of Maud Angelica Behn, daughter of Princess Märtha Louise of Norway (2003)
29 – Birth of Infanta Sofia of Spain (2007)
29 – Wedding of Prince William, Duke of Cambridge and Catherine Middleton (2011)
30 – Birth of Pieter van Vollenhoven, husband of Princess Margriet of the Netherlands (1939)