01 – Birth of Charles Armstrong-Jones, Viscount Linley; son of David Armstrong-Jones, 2nd Earl of Snowdon; grandson of Princess Margaret of the United Kingdom (1999)
01 – Civil marriage of Prince Albert II of Monaco and Charlene Wittstock (2011)
02 – Wedding of King Albert II of the Belgians and Paola Ruffo di Calabria (1959)
02 – Religious wedding of Prince Albert II of Monaco and Charlene Wittstock (2011)
03 – Wedding of Hereditary Prince Alois of Liechtenstein and Duchess Sophie of Bavaria (1993)
04 – Birth of Queen Sonja of Norway, born Sonja Haraldsen (1937)
04 – Birth of Prince Michael of Kent (1942)
04 – Birth of Princess Chulabhorn of Thailand (1957)
08 – Wedding of Prince Richard, Duke of Gloucester and Birgitte van Deurs (1972)
09 – Wedding of Princess Alexia of Greece and Carlos Morales Quintana (1999)
10 – Birth of Princess Takamado of Japan, born Hisako Tottori (1953)
10 – Birth of Princess Alexia of Greece (1965)
12 – Birth of King Tupou VI of Tonga (1959)
14 – Birth of Crown Princess Victoria of Sweden (1977)
14 – Wedding of Lady Sarah Armstrong-Jones and Daniel Chatto (1994)
15 – Birth of Hassanal Bolkiah, Sultan of Brunei (1946)
15 – Birth of Camille Kelly Gottlieb, daughter of Princess Stephanie of Monaco (1998)
16 – Birth of Princess Marie of Liechtenstein, born Countess Marie Gabriele Franciska Kálnoky de Köröspatak (1975)
17 – Birth of Alexander, Crown Prince of Serbia (1945)
17 – Birth of Camilla, Duchess of Cornwall, Camilla Rosemary Shand (1947)
17 – Birth of King Letsie III of Lesotho (1963)
17 – Wedding of Prince Constantin of Liechtenstein and Marie Gabriele Franciska Countess Kálnoky de Köröspatak (1999)
18 – Wedding of Lady Helen Windsor, daughter of HRH The Duke of Kent, and Timothy Taylor (1992)
19 – Birth of Princess Hitachi of Japan, born Hanako Tsugari (1940)
19 – Wedding of Lady Rose Windsor, daughter of HRH The Duke of Gloucester, and George Gilman (2008)
20 – Birth of Crown Prince Haakon of Norway (1973)
20 – Birth of Princess Alexandra of Hanover, daughter of Prince Ernst of Hanover and Princess Caroline of Monaco (1999)
22 – Birth of Prince Felix of Denmark (2002)
22 – Birth of Prince George of Cambridge (2013)
25 – Birth of Lord Nicholas Windsor, son of HRH The Duke of Kent (1970)
28 – Birth of King Maha Vajiralongkorn of Thailand (1952)
28 – Birth of Samuel Chatto, son of Lady Sarah Armstrong-Jones and grandson of Princess Margaret of the United Kingdom (1996)
30 – Wedding of Prince Hans-Adam II of Liechtenstein and Countess Marie Kinsky von Wchinitz und Tettau (1967)
30 – Wedding of James Ogilvy, son of Princess Alexandra of Kent, and Julia Rawlinson (1988)
30 – Wedding of Zara Phillips, daughter of Anne, Princess Royal, and Mike Tindall (2011)
31 – Birth of Marina Ogilvy, daughter of Princess Alexandra of Kent (1966)
31 – Wedding of Lady Davina Windsor, daughter of HRH The Duke of Gloucester, and Gary Lewis (2004)