This calendar contains the birthdays of reigning monarchs, their spouses, children, children-in-law and grandchildren, as well as eventually their parents and heirs with spouses, children, children-in-law and grandchildren. Descendants in female line are only mentioned when they have succession rights.

January

5	HRH Jean I Grand Duke of Luxembourg (1921)
5	HM Juan Carlos I King of Spain (1938)
15	Iñaki Urdangarín y Liebaert, Duke of Palma de Mallorca (1968)
18	HRH Claire Princess of Belgium née Coombs (1974)
20	HRH Sophie Countess of Wessex née Rhys Jones (1965)
20	HRH Mathilde Princess of Belgium née Jonkvrouwe d'Udekem d'Acoz (1973)
21	HRH Ingrid Alexandra Princess of Norway (2004)
23	HSH Caroline Princess of Monaco (1957)
23	Wedding anniversary of HRH Ernst August Prince of Hanover and HSH Caroline Princess of Monaco (1999)
29	Wedding anniversary of HSH Prince Maximilian of Liechtenstein and Angela Brown (2000)
30	HM Abdullah II bin Hussein King of Jordan (1962)
30	HRH Felipe Prince of Asturias (1968)
30	HRH Hashem Prince of Jordan (2005)
31	HM Beatrix Queen of the Netherlands (1938)

February

2	Wedding anniversary of HRH The Prince of Orange and Máxima Zorreguieta (2002)
3	HSH Angela Princess of Liechtenstein née Brown (1958)
5	HRH Mary Crown Princess of Denmark née Donaldson (1972)
6	HRH Marie Princess of Denmark née Cavallier (1976)
6	HRH Louise Princess of Belgium (2004)
14	HSH Hans Adam II Reigning Prince of Liechtenstein (1945)
14	Wedding anniversary of HRH Henri Grand Duke of Luxembourg and Maria Teresa Mestre y Batista (1981)
16	HRH Alexandra Princess of Luxembourg (1991)
19	HRH Prince Andrew The Duke of York (1960)
21	HM Harald V King of Norway (1937)
21	HIH Amedeo Archduke of Austria-Este, Prince of Belgium (1986)
23	HIH Naruhito Crown Prince of Japan (1960)
26	HRH Ernst August Prince of Hannover (1954)
28	HRH Lalla Khadija of Morocco (2007)

March

1	Timothy Laurence (1955)
10	HRH Edward The Earl of Wessex (1964)
12	HRH Gabriel Prince de Nassau (2006)
14	HSH Albert II Prince of Monaco (1958)
15	HSH Constantin Prince of Liechtenstein (1972)
21	Claus-Casimir Count van Oranje-Nassau, Jonkheer van Amsberg (2004)
22	HRH Maria Teresa Grand Duchess of Luxembourg, née Mestre y Batista (1956)
23	HRH Princess Eugenie of York (1990)
25	Philipp von Lattorff (1968)
26	Luana Countess van Oranje-Nassau, Jonkvrouw van Amsberg (2005)

April

2	HRH Sirindhorn Princess of Thailand (1955)
5	HRH Ubol Ratana Princess of Thailand (1951)
8	Leah Isadora Behn (2005)
9	Wedding anniversary of HRH The Prince of Wales and Camilla Parker Bowles (2005)
10	Wedding anniversary of HIM Akihito Emperor of Japan and Michiko Shôda (1959)
10	Tatjana von Lattorff née Princess of Liechtenstein (1973)
10	HRH Ariane Princess of the Netherlands (2007)
12	Wedding anniversary of HRH Laurent Prince of Belgium and Claire Coombs (2003)
14	HSH Marie Princess of Liechtenstein, née Countess Kinsky von Wchinitz und Tettau (1940)
15	HRH Prince Philippe Duke of Brabant (1960)
16	HM Margrethe II Queen of Denmark (1940)
16	HRH Henri Grand Duke of Luxembourg (1955)
16	HRH Sébastien Prince of Luxembourg (1992)
16	HRH Eléonore Princess of Belgium (2008)
18	Sayako Kuroda née Princess of Japan (1969)
20	HSH Prince Georg of Liechtenstein (1999)
21	HM Elizabeth II Queen of the United Kingdom of Great Britain and Northern Ireland (1926)
21	HRH Isabella Princess of Denmark (2007)
23	HIH Laetitia Maria Archduchess of Austria-Este, Princess of Belgium (2003)
24	Wedding anniversary of HRH Friso Prince van Oranje-Nassau and Mabel Wisse Smit (2004)
27	HRH Willem-Alexander Prince of Oranje (1967)
28	Wedding anniversary of HM Rama IX King of Thailand and Sirikit Somdech Pharaborom Rajininath (1950)
29	Maud Angelica Behn (2003)
29	HRH Sofía Infante of Spain (2007)
30	HM Carl XVI Gustaf King of Sweden (1946)
30	Miguel Urdangarín y Bórbon (2002)

May

4	HH Henrik Prince of Denmark (2009)
8	HRH Crown Prince Moulay Al-Hassan of Morocco (2003)
10	HRH Princess Lalla Salma of Morocco née Bennani (1978)
13	HRH Carl Philip Prince of Sweden, Duke of Värmland (1979)
14	Wedding anniversary of HM Juan Carlos I King of Spain and HRH Sofia Princess of Greece and Denmark (1962)
14	Wedding anniversary of HRH Crown Prince Frederik of Denmark and Mary Donaldson (2004)
15	Zara Phillips (1981)
16	HSH Maximilian Prince of Liechtenstein (1969)
17	HRH Máxima Princess of the Netherlands née Zorreguieta (1971)
18	HSH Alfons Prince of Liechtenstein (2001)
18	HSH Benedikt Prince of Liechtenstein (2008)
19	Wedding anniversary of HRH Constantijn Prince of the Netherlands and Laurentien Brinkhorst (2001)
22	Wedding anniversary of HRH Felipe Prince of Asturias and Letizia Ortiz Rocasolano (2004)
24	Wedding anniversary of HRH Prince Joachim of Denmark and Marie Cavallier (2008)
24	HSH Joseph Wenzel Prince of Liechtenstein (1995)
24	Wedding anniversary of Ari Behn and Märtha Louise Princess of Norway (2002)
25	HRH Laurentien Princess of The Netherlands née Brinkhorst (1966)
26	HRH Frederik Crown Prince of Denmark (1968)
27	HSH Moritz Prince of Liechtenstein (2003)

June

3	HRH Felix Prince of Luxembourg (1984)
3	Leonore Countess van Oranje-Nassau, Jonkvrouwe van Amsberg (2006)
5	HIH Astrid Archduchess of Austria-Este, née Princess of Belgium (1962)
5	Wedding Anniversary of Philipp von Lattorff and HSH Tatjana Princess of Liechtenstein (1999)
5	Irene Urdangarín y Bórbon (2005)
6	HM Albert II King of the Belgians (1934)
7	HRH Joachim Prince of Denmark (1969)
8	Andrea Casiraghi (1984)
8	Eloise Countess van Oranje-Nassau, Jonkvrouwe van Amsberg (2002)
9	Wedding anniversary of HIH Naruhito Crown Prince of Japan and Masako Ôwada (1993)
10	HRH The Prince Philip Mountbatten Duke of Edinburgh (1921)
10	Wedding anniversary of HM Margrethe II Queen of Denmark and HRH Henrik Prince of Denmark (1967)
10	HRH Madeleine Princess of Sweden, Duchess of Hälsingland and Gästrikland (1982)
10	Wedding anniversary of HM Abdallah II bin Hussein King of Jordan and Rania Yassine (1993)
11	HM Fabiola Queen-Dowager of Belgium, née de Mora y Aragón (1928)
11	HRH Henrik Prince of Denmark, Comte de Laborde de Monpézat (1934)
11	HSH Alois Hereditary Prince of Liechtenstein (1968)
13	HRH Cristina Infante of Spain, Duchess of Palma de Mallorca (1965)
18	Zaria Countess van Oranje-Nassau, Jonkvrouw van Amsberg (2006)
19	Wedding anniversary of HM Carl XVI Gustaf King of Sweden and Silvia Sommerlath (1976)
19	Wedding Anniversary of HRH Edward Earl of Wessex and Sophie Rhys Jones (1999)
19	Wedding anniversary of Daniel Westling and HRH Crown Princess Victoria of Sweden (2010)
21	HRH Prince William of Great Britain (1982)
26	HRH Alexia Princess of the Netherlands (2005)
28	HRH Hussein Crowne Prince of Jordan (1994)
29	Wedding anniversary of HIH Prince Akishino of Japan and Kiko Kawashima (1990)
30	HH Alexandra Countess of Frederiksborg, née Manley (1964)

July

2	Wedding anniversary of HM Albert II King of the Belgians and Donna Paola Ruffo di Calabria (1959)
3	Wedding anniversary of HSH Alois Hereditary Prince of Liechtenstein and HRH Sophie Duchess in Bavaria (1993)
4	HM Sonja Queen of Norway, née Haraldsen (1937)
4	HRH Chulabhorn Princess of Thailand (1957)
12	Wedding anniversary of HM King Mohammed VI of Morocco and Salma Bennani (2002)
14	HRH Victoria Crown Princess of Sweden, Duchess of Västergötland (1977)
16	HSH Marie Princess of Liechtenstein née Countess Kálnoky (1975)
17	HRH The Duchess of Cornwall (1947)
17	Felipe Juan de Marichalar y Borbón (1998)
17	Wedding Anniversary of HSH Constantin Prince of Liechtenstein and Marie Countess Kálnoky (1999)
20	HRH Haakon Crown Prince of Norway (1973)
20	HRH Princess Alexandra of Hanover (1999)
22	HH Felix Prince of Denmark (2002)
23	HSH Georgina Princess of Liechtenstein (2005)
28	HRH Vajiralongkorn Prince of Thailand (1952)
30	Wedding anniversary of HSH Hans Adam II Reigning Prince of Liechtenstein and Marie Countess Kinsky von Wchinitz und Tettau (1967)

August

3	HRH Louis Prince of Luxembourg (1986)
3	Charlotte Casiraghi (1986)
8	HRH Princess Beatrice of York (1988)
11	HRH Mabel Princess van Oranje-Nassau née Wisse Smit (1968)
12	HM Sirikit Queen of Thailand née Somdech Pharaborom Rajininath (1932)
15	HRH Anne The Princess Royal (1950)
19	HRH Mette-Marit Crown Princess of Norway née Tjessem Høiby (1973)
20	HRH Gabriel Prince of Belgium (2003)
21	HM King Mohammed VI of Morocco (1963)
23	HM Noor al-Hussein Queen Dowager of Jordan née Lisa Najeeb Halaby (1951)
25	Wedding anniversary of HRH Haakon Crown Prince of Norway and Mette-Marit Tjessem Høiby (2001)
26	HIH Maria-Laura Archduchess of Austria-Este, Princess of Belgium (1988)
28	HH Nikolai Prince of Denmark (1999)
29	Wedding anniversary of HM Harald V King of Norway and Sonja Haraldsen (1968)
31	HM Rania Queen of Jordan née Yassine (1970)

September

5	Pierre Casiraghi (1987)
6	HIH Hisahito Prince of Japan (Akishino-no-miya Hisahito Shinno) (2006)
9	Victoria Federica de Marichalar y Borbón (2000)
11	HM Paola Queen of the Belgians, née Ruffo di Calabria (1937)
11	HIH Princess Akishino of Japan née Kiko Kawashima (1966)
15	HRH Letizia Princess of Asturias (1972)
15	HRH Daniel Prince of Sweden, Duke of Västergötland (1973)
15	HRH Prince Henry of Great Britain (1984)
21	HRH Noah Prince de Nassau (2007)
22	Märtha Louise Princess of Norway (1971)
22	Wedding anniversary of HIH Lorenz Archduke of Austria-Este and HRH Astrid Princess of Belgium (1984)
25	HRH Friso Prince van Oranje-Nassau (1968)
26	HRH Salma Princess of Jordan (2000)
27	HRH Iman Princess of Jordan (1996)
29	Juan Urdangarín y Bórbon (1999)
29	Wedding anniversary of HRH Louis Prince of Luxemburg and Tessy Antony (2006)
29	Emma Tallulah Behn (2008)
30	Ari Behn (1972)

October

4	Wedding anniversary of HRH Cristina Infante of Spain and Iñaki Urdangarín y Liebaert (1997)
4	HRH Emmanuel Prince of Belgium (2005)
11	HRH Constantijn Prince of the Netherlands (1969)
11	HIH Luisa-Maria Archduchess of Austria-Este, Princess of Belgium (1995)
15	HRH Christian Prince of Denmark (2005)
17	HSH Marie Caroline Princess of Liechtenstein (1996)
19	HRH Laurent Prince of Belgium (1963)
20	HIM Michiko Empress of Japan née Shôda (1934)
23	HIH Mako Princess of Japan (Akishino-no-miya Mako Naishinno) (1991)
25	HRH Elisabeth Princess of Belgium (2001)
28	HRH Sophie Princess of Liechtenstein, née Duchess in Bavaria (1967)
28	HRH Tessy Princess of Luxembourg née Antony (1985)
31	HRH Leonor Infante of Spain (2005)

November

2	HM Sofia Queen of Spain, née Princess of Greece and Denmark (1938)
8	Lady Louise Mountbatten-Windsor (2003)
11	HRH Guillaume Hereditary Grand Duke of Luxembourg (1981)
14	HRH Charles The Prince of Wales (1948)
15	Peter Phillips (1977)
20	Wedding anniversary of HM Elizabeth II Queen of the United Kingdom of Great Britain and Northern Ireland and HRH The Prince Philip Mountbatten Duke of Edinburgh (1947)
30	HIH Prince Akishino of Japan (Akishino-no-miya Fumihito Shinno) (1965)

December

1	HIH Aiko Princess of Japan (Toshi-no-miya Aiko Naishinno) (2001)
3	Sverre Magnus Prince of Norway (2005)
4	Wedding anniversary of HRH Philippe Duke of Brabant and jonkvrouwe Mathilde d'Udekem d'Acoz (1999)
5	HM Rama IX King of Thailand (1927)
6	HSH Nikolaus Prince of Liechtenstein (2000)
6	Pablo Nicolás Urdangarín y Bórbon (2000)
7	HRH Bhajara Kittiyabha Princess of Thailand (1978)
7	HRH Amalia Princess of the Netherlands (2003)
9	HIH Masako Crown Princess of Japan (1963)
9	HIH Joachim Archduke of Austria-Este, Prince of Belgium (1991)
12	Wedding anniversary of HRH Anne The Princess Royal and Timothy Laurence (1992)
13	HRH Nicolas Prince of Belgium (2005)
13	HRH Aymeric Prince of Belgium (2005)
16	HIH Lorenz Archduke of Austria-Este, Prince of Belgium (1955)
17	James, Viscount Severn (2007)
20	HRH Elena Infante of Spain, Duchess of Lugo (1963)
23	HIM Akihito Emperor of Japan (1933)
23	HM Silvia Queen of Sweden, née Sommerlath (1943)
29	HIH Kako Princess of Japan (Akishino-no-miya Kako Naishinno) (1994)