January
03 – Died: Prince Louis I (1701)
08 – Rock of Monaco seized by François Grimaldi (1297)
10 – Died: Prince Honoré II (1662)
20 – Died: Prince Antonio I (1731)
23 – Born: Princess Caroline, daughter of Prince Rainier III (1957)
23 – Married: Princess Caroline (3rd marriage) and Prince Ernst of Hanover (1999)
25 – Born: Prince Antonio I (1661)
25 – Born: Charlene Wittstock, wife of Prince Albert II (1978)
February
01 – Born: Princess Stephanie, daughter of Prince Rainier III (1965)
01 – Married: (religious) Andrea Casiraghi and Tatiana Santo Domingo (2014)
16 – Died: Prince Honoré IV (1819)
28 – Born: Stefano Ercole Carlo Casiraghi, son of Pierre Casiraghi (2017)
March
14 – Born: Prince Albert II, son of Prince Rainier III (1958)
18 – Married: Princess Charlotte and Count Pierre de Polignac, parents of Rainier III (1920)
18 – Died: Princess Antoinette, Baroness de Massy (2011)
21 – Died: Prince Honoré III (1795)
21 – Born: Alexandre “Sacha” Casiraghi, son of Andrea Casiraghi (2013)
30 – Married: Prince Louis I and Catherine-Charlotte de Gramont (1660)
April
06 – Died: Prince Rainier III (2005)
12 – Born: India Casiraghi, daughter of Andrea Casiraghi (2015)
19 – Married: Prince Rainier III and Grace Kelly (1956)
19 – Born: Maximilian Rainier Casiraghi, son of Andrea Casiraghi (2018)
23 – Died: Prince Jacques I (1751)
May
04 – Born: Pauline Ducruet, daughter of Princess Stephanie (1994)
09 – Died: Prince Louis II (1949)
14 – Born: Prince Honoré V (1778)
21 – Born: Francesco Carlo Albert Casiraghi, son of Pierre Casiraghi (2018)
31 – Born: Prince Rainier III, grandson of Prince Louis II (1923)
June
01 – Married: Charlotte Casiraghi and Dimitri Rassam (2019)
08 – Born: Andrea Casiraghi, son of Princess Caroline (1984)
13 – Married: Prince Antonio I and Maria of Lorraine (1688)
15 – Married: Prince Honoré IV and Louise d’Aumont Mazarin (1777)
20 – Died: Prince Florestan I (1856)
26 – Died: Prince Albert I (1922)
29 – Married: Princess Caroline (1st marriage) and Philippe Junot (1978)
July
01 – Married: Prince Albert II and Charlene Wittstock (2011)
01 – Married: Princess Stephanie (1st marriage) and Daniel Ducruet
12 – Born: Prince Louis II, son of Prince Albert I and Lady Mary Hamilton (1870)
15 – Born: Camille Gottlieb, daughter of Princess Stephanie (1998)
20 – Born: Princess Alexandra of Hanover, daughter of Princess Caroline (1999)
24 – Married: Prince Louis II and Ghislaine Marie Francoise Dommanget (1946)
25 – Born: Prince Louis I (1642)
25 – Married: (civil) Pierre Casiraghi and Beatrice Borromeo (2015)
August
03 – Born: Charlotte Casiraghi, daughter of Princess Caroline (1986)
15 – Died: Charles I (1357)
18 – Born: Beatrice Borromeo, wife of Pierre Casiraghi (1985)
31 – Married: (civil) Andrea Casiraghi and Tatiana Santo Domingo (2013)
September
05 – Born: Pierre Casiraghi, son of Princess Caroline (1987)
10 – Died: Prince Charles III (1889)
12 – Married: Princess Stephanie (2nd marriage) and Adans Lopez Peres (2003)
14 – Died: Princess Grace, wife of Prince Rainier III (1982)
21 – Married: Prince Albert I (1st marriage) and Lady Mary Hamilton, daughter of the 11th Duke of Hamilton and Princess Marie of Baden (1869)
28 – Married: Prince Charles III and Antoinette de Mérode-Westerloo (1846)
30 – Born: Princess Charlotte, daughter of Prince Louis II and mother of Prince Rainier III (1898)
October
02 – Died: Prince Honoré V (1841)
03 – Died: Stefano Casiraghi, second husband of Princess Caroline (1990)
10 – Born: Princess Louise-Hippolyte (1697)
10 – Born: Prince Florestan I (1785)
20 – Married: Princess Louise-Hippolyte and Jacques François Léonor Goyon de Matignon (1715)
23 – Born: Balthazar Rassam, son of Charlotte Casiraghi (2018)
24 – Born: Count Pierre Polignac, father of Prince Rainier III (1895)
30 – Married: Prince Albert I (2nd marriage) and Marie Alice Heine (1889)
November
10 – Born: Prince Honoré III (1720)
10 – Died: Count Pierre Polignac, father of Prince Rainier III (1964)
12 – Born: Grace Kelly, wife of Prince Rainier III (1929)
13 – Born: Prince Albert I (1848)
15 – Died: Princess Charlotte, daughter of Prince Louis II and mother of Prince Rainier III (1977)
21 – Born: Prince Jacques I (1689)
24 – Born: Tatiana Santo Domingo, wife of Andrea Casiraghi (1983)
26 – Born: Louis Ducruet, son of Princess Stephanie (1992)
December
10 – Born: Princess Gabriella and Hereditary Prince Jacques (twins), children of Prince Albert II (2014)
17 – Born: Raphael Elmaleh, son of Charlotte Casiraghi (2013)
18 – Born: Prince Charles III (1818)
24 – Born: Prince Honoré II of Monaco (1597)
28 – Born: Princess Antoinette, sister of Prince Rainier III (1920)
29 – Died: Princess Louise-Hippolyte (1731)
29 – Married: Princess Caroline (2nd marriage) and Stefano Casiraghi (1983)