April 30

## Events 
### Up to 1950 
* 313 &ndash; Battle of Tzillarum: Emperor Licinius defeats Maximinus II and unifies the Eastern Roman Empire.
* 711 &ndash; Tariq ibn Ziyad reaches Gibraltar, beginning Moorish rule in Spain.
* 1492 &ndash; Spain gives Christopher Columbus his commission of exploration.
* 1557 &ndash; Mapuche leader Lautaro is killed by Spanish forces at the Battle of Mataquito in Chile
* 1789 &ndash; George Washington becomes the first President of the United States.
* 1802 &ndash; The break of the Puentes Reservoir in Spain kills 608 people
* 1803 &ndash; The US buys the Louisiana Territory from France, more than doubling its land area.
* 1812 &ndash; Louisiana becomes a state of the US.
* 1838 &ndash; Nicaragua declares independence from the Central American Federation.
* 1863 &ndash; A 65–man French Foreign Legion infantry patrol fights a force of nearly 2,000 Mexican soldiers to nearly the last man at Hacienda Camaron, Mexico.
* 1871 &ndash; Camp Grant Massacre in the Arizona Territory.
* 1885 &ndash; Governor of New York David B. Hill signs legislation creating the Niagara Reservation near Niagara Falls. It is New York's first State Park.
* 1900 &ndash; Hawaii becomes a US territory, with Sanford Dole as Governor.
* 1907 &ndash; Honolulu becomes an independent city.
* 1908 &ndash; Japanese small cruiser *Matsushima* sinks after a munitions explosion near Taiwan, killing 206 out of the 347 men on board.
* 1920 &ndash; Peru becomes a signatory of the Buenos Aires Convention.
* 1927 &ndash; Douglas Fairbanks and Mary Pickford become the first celebrities to leave their footprints in concrete at Grauman's Chinese Theatre in Hollywood.
* 1927 &ndash; The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.
* 1937 &ndash; In a referendum, women in Philippines support being given the right to vote.
* 1938 &ndash; First televised FA Cup final between Huddersfield Town and Preston North End
* 1939 &ndash; Start of the 1939/40 World's Fair in New York City.
* 1939 &ndash; NBC inaugurates its regularly scheduled TV service in New York City.
* 1941 &ndash; British steam freighter *Nerissa* is torpedoed near Rockall by a German U–boat, causing it to sink, with the loss of 207 lives.
* 1943 &ndash; World War II: Operation Mincemeat – Submarine HMS *Seraph* surfaces in the Mediterranean Sea off Spain to deposit a dead man planted with false invasion plans dressed as a British military intelligence officer.
* 1945 &ndash; World War II: One day after getting married, Adolf Hitler and his wife Eva Braun commit suicide. On the same day, Red Army troops raise the Soviet flag on the Reichstag building.
* 1945 &ndash; World War II: American forces take Munich.
* 1947 &ndash; In Nevada, the Boulder Dam is renamed Hoover Dam for the second time.
* 1948 &ndash; The Organization of American States is formed in Bogota, Colombia.

### From 1951 
* 1952 &ndash; The Diary of Anne Frank is published in English.
* 1961 &ndash; *K-19*, the first Soviet nuclear submarine with nuclear missiles, is commissioned.
* 1963 &ndash; Fehmarnsundbroen, a bridge connecting the island of Fehmarn to mainland Denmark, is opened to traffic.
* 1966 &ndash; The Church of Satan is founded.
* 1975 &ndash; With the fall of Saigon, the Vietnam War officially comes to an end.
* 1980 &ndash; Beatrix becomes Queen of the Netherlands, after the decision of her mother, Queen Juliana to abdicate the throne.
* 1980 &ndash; The siege at the Iranian Embassy begins in London.
* 1985 &ndash; US entrepreneur Dick Bass climbs Mount Everest, becoming the first person to successfully climb the "Seven Summits", the highest peaks on each continent.
* 1993 &ndash; The World Wide Web is released for use.
* 1993 &ndash; Tennis player Monica Seles is stabbed by an obsessed fan of her rival Steffi Graf, during a tournament in Germany.
* 1994 &ndash; Austrian Formula 1 driver Roland Ratzenberger is killed in a crash, while practising for the San Marino Grand Prix, at which fellow driver Ayrton Senna is killed the next day.
* 1995 &ndash; Bill Clinton becomes the first President of the United States to visit Northern Ireland.
* 1995 &ndash; Greenpeace activists occupy the Shell Oil Company–owned oil platform Brent Spar between Shetland and Norway, to protest against its planned sinking in the North Sea.
* 1999 &ndash; Cambodia joins ASEAN.
* 2004 &ndash; US media release graphic photographs of US soldiers abusing Iraqi prisoners at Abu Ghraib prison.
* 2006 &ndash; Along with her brother, Swiss ski racer Corinne Rey-Bellet is shot dead by her husband, who commits suicide a short time later.
* 2009 &ndash; Chrysler files for Chapter 11 bankruptcy.
* 2009 &ndash; Netherlands: An attempted attack is made on the Dutch Royal Family at a Queen's Day parade in Apeldoorn, as a car is driven into the crowd, killing seven spectators, and the perpetrator, Karst Tates, who dies the next day.
* 2012 &ndash; A ferry capsizes on the Brahmaputra River in India, killing at least 103 people.
* 2013 &ndash; Beatrix of the Netherlands abdicates the throne. Willem-Alexander of the Netherlands is the new King, the first Dutch King since 1890.
* 2019 &ndash; Akihito abdicates as Emperor of Japan, passing the throne to his son Naruhito.

## Births 
### Up to 1800 
* 1245 &ndash; King Philip III of France (d. 1285)
* 1306 &ndash; Andrea Dandolo, ruler of Venice (d. 1354)
* 1310 &ndash; Casimir III of Poland (d. 1368)
* 1331 &ndash; Gaston III, Count of Foix (d. 1391)
* 1553 &ndash; Louise of Lorraine (d. 1601)
* 1586 &ndash; Saint Rose of Lima, Peruvian saint (d. 1617)
* 1602 &ndash; William Lilly, English astrologer (d. 1681)
* 1623 &ndash; François de Laval, first bishop of New France (d. 1708)
* 1651 &ndash; Jean-Baptiste de la Salle, French educational reformer (d. 1719)
* 1662 &ndash; Queen Mary II of England (d. 1694)
* 1664 &ndash; François Louis, Prince of Conti, French general (d. 1709)
* 1710 &ndash; Johann Kaspar Basselet von La Rosée, Bavarian general (d. 1795)
* 1721 &ndash; Roger Sherman, American signer of the Declaration of Independence (d. 1793)
* 1723 &ndash; Mathurin Jacques Brisson, French naturalist (d. 1806)
* 1758 &ndash; Emmanuel Vitale, Maltese commander and politician (d. 1802)
* 1770 &ndash; David Thompson, English–Canadian explorer (d. 1857)
* 1777 &ndash; Carl Friedrich Gauss, German mathematician, astronomer, and physicist (d. 1855)

### 1801 &ndash; 1900 
* 1803 &ndash; Albrecht von Roon, Prussian politician (d. 1879)
* 1812 &ndash; Kaspar Hauser, German boy whose early life is a mystery (d. 1833)
* 1823 &ndash; George Campbell, 8th Duke of Argyll, Scottish politician (d. 1900)
* 1829 &ndash; Ferdinand von Hochstetter, Austrian geologist (d. 1884)
* 1831 &ndash; Romolo Gessi, Italian explorer in Africa (d. 1881)
* 1839 &ndash; Archduke Karl Salvator of Austria (d. 1892)
* 1852 &ndash; Tewfik Pasha, ruler of Egypt (d. 1892)
* 1857 &ndash; Eugen Bleuler, Swiss psychiatrist (d. 1940)
* 1864 &ndash; Juhan Liiv, Estonian poet (d. 1913)
* 1865 &ndash; Max Nettlau, German anarchist and historian (d. 1944)
* 1869 &ndash; Hans Poelzig, German architect, painter and set designer (d. 1936)
* 1870 &ndash; Franz Lehár, Austrian composer (d. 1948)
* 1870 &ndash; Homer Stille Cummings, American jurist and politician (d. 1956)
* 1876 &ndash; Oros Mario Corbino, Italian physicist and politician (d. 1937)
* 1877 &ndash; Alice B. Toklas, American companion of Gertrude Stein (d. 1967)
* 1883 &ndash; Jaroslav Hašek, Czech novelist (d. 1923)
* 1883 &ndash; Luigi Russolo, Italian painter and composer (d. 1947)
* 1884 &ndash; Olof Sandborg, Swedish movie and theatre actor (d. 1965)
* 1887 &ndash; Anne Zernike, Dutch theologian and minister (d. 1972)
* 1888 &ndash; David Jacobs, Welsh athlete (d. 1976)
* 1889 &ndash; Fritz Pfeffer, German dentist and Holocaust victim (d. 1944)
* 1893 &ndash; Joachim von Ribbentrop, Nazi foreign minister (d. 1946)
* 1895 &ndash; Philippe Paneton, Canadian physician, academic and diplomat (d. 1960)
* 1897 &ndash; Humberto Mauro, Brazilian director and screenwriter (d. 1983)

### 1901 &ndash; 1950 
* 1901 &ndash; Simon Kuznets, Ukrainian–born economist, Nobel Prize laureate (d. 1985)
* 1902 &ndash; Theodore Schultz, American economist, Nobel Prize laureate (d. 1998)
* 1905 &ndash; Sergey Nikolsky, Russian mathematician (d. 2012)
* 1908 &ndash; Eve Arden, American actress (d. 1990)
* 1908 &ndash; Bjarni Benediktsson, Prime Minister of Iceland (d. 1970)
* 1909 &ndash; Queen Juliana of the Netherlands (d. 2004)
* 1913 &ndash; Ilmar Raud, Estonian chess player (d. 1941)
* 1915 &ndash; Elio Toaff, Italian rabbi (d. 2015)
* 1916 &ndash; Claude Shannon, American engineer and mathematician (d. 2001)
* 1916 &ndash; Robert Shaw, American conductor (d. 1999)
* 1917 &ndash; Bea Wain, American singer (d. 2017)
* 1918 &ndash; Don McNeill, American tennis player (d. 1996)
* 1923 &ndash; Al Lewis, American actor (d. 2006)
* 1923 &ndash; Kagamisato Kiyoji, Japanese sumo wrestler (d. 2004)
* 1925 &ndash; Johnny Horton, American musician (d. 1960)
* 1925 &ndash; Corinne Calvet, French actress (d. 2001)
* 1926 &ndash; Cloris Leachman, American actress (d. 2021)
* 1930 &ndash; Félix Guattari, French psychologist (d. 1992)
* 1932 &ndash; Antonio Tejero, Spanish coup leader
* 1933 &ndash; Darwin Hindman, American politician (d. 2019)
* 1938 &ndash; Lucho Avilés, Uruguayan–Argentine entertainment journalist (d. 2019)
* 1938 &ndash; Gary Collins, American actor (d. 2012)
* 1938 &ndash; Larry Niven, American writer
* 1939 &ndash; Pieter van Vollenhoven, brother–in–law to Beatrix of the Netherlands
* 1940 &ndash; Ermindo Onega, Argentine footballer
* 1940 &ndash; Burt Young, American actor
* 1941 &ndash; Johnny Farina, American guitarist (Santo and Johnny)
* 1941 &ndash; Stavros Dimas, Greek politician
* 1941 &ndash; Buddy Cianci, American politician (d. 2016)
* 1942 &ndash; Maurizio Arcieri, Italian singer (d. 2015)
* 1943 &ndash; Bobby Vee, American singer (d. 2016)
* 1943 &ndash; Frederick Chiluba, former President of Zambia (d. 2011)
* 1944 &ndash; Jon Bing, Norwegian writer and law professor (d. 2014)
* 1944 &ndash; Jill Clayburgh, American actress (d. 2010)
* 1944 &ndash; Rudi Assauer, German footballer (d. 2019)
* 1945 &ndash; Annie Dillard, American writer
* 1945 &ndash; Michael Smith, American astronaut (d. 1986)
* 1945 &ndash; Lara Saint Paul, Italian–Eritrean singer (d. 2018)
* 1946 &ndash; King Carl XVI Gustaf of Sweden
* 1946 &ndash; Sven Nordqvist, Swedish writer and illustrator
* 1946 &ndash; Bill Plympton, American animator and director
* 1946 &ndash; Don Schollander, American swimmer
* 1947 &ndash; Mats Odell, Swedish politician
* 1947 &ndash; Bruce Hampton, American musician (d. 2017)
* 1947 &ndash; Leslie Grantham, English actor (d. 2018)
* 1947 &ndash; Thomas Goppel, German politician
* 1948 &ndash; Perry King, American actor
* 1949 &ndash; Phil Garner, American baseball manager
* 1949 &ndash; António Guterres, Secretary-General of the United Nations and former Prime Minister of Portugal

### 1951 &ndash; 1975 
* 1951 &ndash; Ken Whiteley, Canadian folk musician
* 1952 &ndash; Jacques Audiard, French movie director and screenwriter
* 1953 &ndash; Merrill Osmond, American actor and singer (The Osmonds)
* 1954 &ndash; Jane Campion, New Zealand movie director
* 1954 &ndash; Kim Darroch, British diplomat
* 1955 &ndash; Julio Cobos, Argentine politician
* 1955 &ndash; Nicolas Hulot, French journalist and writer
* 1956 &ndash; Jorge Chaminé, Portuguese baritone
* 1956 &ndash; Lars von Trier, Danish movie director
* 1957 &ndash; Aviva Chomsky, American historian and writer
* 1957 &ndash; Giuseppe Sannino, Italian footballer
* 1958 &ndash; Charles Berling, French actor, director and producer
* 1959 &ndash; Paul Gross, Canadian actor, producer, director, singer and writer
* 1959 &ndash; Stephen Harper, 22nd Prime Minister of Canada
* 1960 &ndash; David Miscavige, leader of the Church of Scientology
* 1961 &ndash; Isiah Thomas, American basketball player, coach, and team owner
* 1961 &ndash; Thomas Schaaf, German footballer
* 1961 &ndash; Franky Van der Elst, Belgian footballer
* 1962 &ndash; Nikolai Fomenko, Russian musician, actor and racing driver
* 1964 &ndash; Lorenzo Staelens, Belgian footballer
* 1964 &ndash; Barrington Levy, Jamaican musician
* 1964 &ndash; Ian Healy, English cricketer
* 1967 &ndash; Steven Mackintosh, English actor
* 1969 &ndash; Justine Greening, English politician
* 1969 &ndash; Paulo Jr., Brazilian bassist (Sepultura)
* 1969 &ndash; Clark Vogeler, American guitarist (The Toadies)
* 1973 &ndash; Naomi Novik, American writer
* 1975 &ndash; Elliott Sadler, American race car driver
* 1975 &ndash; Johnny Galecki, American actor

### From 1976 
* 1976 &ndash; Amanda Palmer, American musician and songwriter
* 1978 &ndash; Tom Fulp, Newgrounds creator
* 1978 &ndash; Simone Barone, Italian footballer
* 1979 &ndash; Gerardo Torrado, Mexican footballer
* 1980 &ndash; Sam Heughan, Scottish actor
* 1980 &ndash; Jeroen Verhoeven, Dutch footballer
* 1981 &ndash; Kunal Nayyar, British actor
* 1981 &ndash; John O'Shea, Irish footballer
* 1982 &ndash; Kirsten Dunst, American actress
* 1982 &ndash; Justin Green, National Football League fullback
* 1982 &ndash; Drew Seeley, Canadian–American singer-songwriter, dancer and actor
* 1983 &ndash; Chris Carr, American football player
* 1983 &ndash; Nenad Milijas, Serbian footballer
* 1983 &ndash; Tatjana Hüfner, German luger
* 1983 &ndash; Troy Williamson, American football player
* 1984 &ndash; Seimone Augustus, American basketball player
* 1984 &ndash; Sophie Turner, Australian model, television personality and lawyer
* 1985 &ndash; Gal Gadot, Israeli model and actress
* 1986 &ndash; Dianna Agron, American actress
* 1987 &ndash; Rohit Sharma, Indian cricketer
* 1989 &ndash; Jang Wooyoung, South Korean singer
* 1989 &ndash; Baauer, American DJ and producer
* 1990 &ndash; Jonny Brownlee, English triathlete
* 1990 &ndash; Michael Schulte, German singer
* 1991 &ndash; Kaarel Nurmsalu, Estonian ski jumper
* 1992 &ndash; Marc-André ter Stegen, German footballer 
* 2002 &ndash; Miguel Urdangarín y de Borbon, Spanish royal

## Deaths 
### Up to 1900 
* 65 &ndash; Lucan, Roman poet (born 39)
* 1030 &ndash; Mahmud of Ghazni, Indian ruler of the Ghaznavid Dynasty (b. 971)
* 1063 &ndash; Emperor Renzong of China (born 1010)
* 1131 &ndash; Adjutor, French knight and saint
* 1341 &ndash; John III, Duke of Brittany (born 1285)
* 1439 &ndash; Richard de Beauchamp, 13th Earl of Warwick, English military leader (born 1382)
* 1513 &ndash; Edmund de la Pole, Yorkist claimant to the English throne
* 1544 &ndash; Thomas Audley, 1st Baron Audley of Walden, Lord Chancellor of England
* 1550 &ndash; Tabinshwehti, King of Burma (born 1516)
* 1555 &ndash; Pope Marcellus II (born 1501)
* 1632 &ndash; King Sigismund of Sweden (born 1561)
* 1632 &ndash; Johann Tserclaes, Count of Tilly, military leader in the Thirty Years' War (born 1559)
* 1637 &ndash; Niwa Nagashige, Japanese daimyo (born 1571)
* 1660 &ndash; Petrus Scriverius, Dutch writer (born 1576)
* 1672 &ndash; Marie of the Incarnation, French–Canadian nun and saint (born 1599)
* 1736 &ndash; Johann Albert Fabricius, German classical scholar and bibliographer (born 1668)
* 1792 &ndash; John Montagu, 4th Earl of Sandwich, English politician (born 1718)
* 1795 &ndash; Jean-Jacques Barthélemy, French numismatist (born 1716) 
* 1806 &ndash; Onogawa Kisaburo, Japanese sumo wrestler (born 1758)
* 1847 &ndash; Archduke Charles, Duke of Teschen, Austrian nobleman and general (born 1771)
* 1863 &ndash; Jean Danjou, French captain (b. 1828)
* 1865 &ndash; Robert FitzRoy, British admiral and meteorologist (born 1805)
* 1879 &ndash; Emma Hale Smith Bidamon, American religious leader (born 1804)
* 1883 &ndash; Edouard Manet, French painter (born 1832)
* 1895 &ndash; Gustav Freytag, German writer and journalist (born 1810)

### 1901 &ndash; 2000 
* 1903 &ndash; Emily Stowe, Canadian physician and suffragist (born 1831)
* 1906 &ndash; James E. Boyd, Irish–American politician, 8th Governor of Nebraska (born 1834)
* 1926 &ndash; Bessie Coleman, American pilot (born 1892)
* 1933 &ndash; Luis Miguel Sanchez Cerro, President of Peru (born 1889)
* 1936 &ndash; Alfred Edward Housman, English poet (born 1859)
* 1943 &ndash; Otto Jespersen, Danish linguist (born 1860)
* 1945 &ndash; Eva Braun, mistress and wife of Adolf Hitler (born 1912)
* 1945 &ndash; Adolf Hitler, Austrian politician, Nazi leader (born 1889)
* 1956 &ndash; Alben W. Barkley, Vice President of the United States (born 1877)
* 1966 &ndash; Richard Farina, American writer and singer (born 1837)
* 1970 &ndash; Inger Stevens, Swedish actress (born 1934)
* 1974 &ndash; Agnes Moorehead, American actress (born 1900)
* 1980 &ndash; Luis Munoz Marin, Puerto Rican poet, journalist and politician (born 1898)
* 1983 &ndash; George Balanchine, Georgian–born dancer and choreographer (born 1904)
* 1983 &ndash; Muddy Waters, American musician (born 1915)
* 1983 &ndash; Edouard Wyss-Dunant, Swiss physician and mountaineer (born 1897)
* 1989 &ndash; Sergio Leone, Italian movie director (born 1929)
* 1989 &ndash; Bangja, Crown Princess Eumin of Korea (born 1901)
* 1990 &ndash; Mario Pizziolo, Italian footballer (born 1909)
* 1993 &ndash; Mario Evaristo, Argentine footballer (born 1908)
* 1994 &ndash; Roland Ratzenberger, Austrian racecar driver (born 1960)
* 1994 &ndash; Richard Scarry, American children's writer and illustrator (born 1919)
* 1995 &ndash; Maung Maung Kha, Burmese politician (born 1920)
* 1999 &ndash; Alf Ramsey, English football manager (born 1920)
* 2000 &ndash; Poul Hartling, 36th Prime Minister of Denmark (born 1914)

### From 2001 
* 2003 &ndash; Wim van Est, Dutch cyclist (born 1923)
* 2006 &ndash; Corinne Rey-Bellet, Swiss ski racer (born 1972)
* 2007 &ndash; Gregory Lemarchal, French singer (born 1983)
* 2009 &ndash; Venetia Burney, English girl who named the dwarf planet Pluto (born 1918)
* 2009 &ndash; Henk Nijdam, Dutch cyclist (born 1935)
* 2010 &ndash; Paul Mayer, German cardinal (born 1911)
* 2011 &ndash; Ernesto Sabato, Argentine writer and physicist (born 1911)
* 2011 &ndash; Dorjee Khandu, Indian politician, 6th Chief Minister of Arunachal Pradesh (born 1955)
* 2012 &ndash; Tomas Borge, Nicaraguan politician (born 1930)
* 2012 &ndash; Alexander Dale Oen, Norwegian swimmer (born 1985)
* 2012 &ndash; George Murdock, American actor (born 1928)
* 2013 &ndash; Mike Gray, American writer, screenwriter, cinematographer and producer (b. 1935)
* 2014 &ndash; Ian Ross, Australian TV news presenter (b. 1940)
* 2014 &ndash; Chris Harris, English actor, director and writer (b. 1942)
* 2015 &ndash; Gregory Mertens, Belgian footballer (b. 1991)
* 2015 &ndash; Patachou, French actress and singer (b. 1918)
* 2015 &ndash; Ben E. King, American singer (b. 1938)
* 2015 &ndash; Lennart Bodström, Swedish politician (b. 1928)
* 2015 &ndash; William Pfaff, American writer and columnist (b. 1928)
* 2015 &ndash; Ronald Senator, British composer (b. 1926)
* 2015 &ndash; Nigel Terry, British actor (b. 1945)
* 2015 &ndash; David Fonseca, Belizean politician (b. 1954)
* 2016 &ndash; Harry Kroto, British chemist (b. 1939)
* 2016 &ndash; Daniel Aaron, American writer and academic (b. 1912)
* 2016 &ndash; Daniel Berrigan, American priest, poet and activist (b. 1921)
* 2016 &ndash; Marisol Escobar, French–born American sculptor (b. 1930)
* 2016 &ndash; Uwe Friedrichsen, German actor (b. 1934)
* 2016 &ndash; Peter Thomas, American narrator (b. 1924)
* 2016 &ndash; Vasily Zvyagintsev, Russian science fiction writer (b. 1944)
* 2017 &ndash; Ueli Steck, Swiss mountaineer and rock climber (b. 1976)
* 2017 &ndash; Belchior, Brazilian singer and composer (b. 1946)
* 2017 &ndash; Mbah Gotho, Indonesian claimed supercentenarian (b. claimed 1870)
* 2017 &ndash; Lorna Gray, American actress (b. 1917)
* 2017 &ndash; Raymond P. Kogovsek, American politician (b. 1941)
* 2017 &ndash; Boris Oleynik, Ukrainian poet, translator and politician (b. 1935)
* 2017 &ndash; Jean Stein, American writer and editor (b. 1934)
* 2018 &ndash; Joel Kovel, American environmentalist and anti–war activist (b. 1936)
* 2018 &ndash; Rose Laurens, French singer-songwriter (b. 1943)
* 2018 &ndash; Geneviève Claisse, French painter (b. 1935)
* 2018 &ndash; Anatole Katok, Russian–American mathematician (b. 1944)
* 2018 &ndash; John Treacher, British admiral (b. 1924)
* 2019 &ndash; Anémone, French actress (b. 1950)
* 2019 &ndash; Beth Carvalho, Brazilian samba singer (b. 1946)
* 2019 &ndash; Luciano Comaschi, Italian footballer (b. 1931)
* 2019 &ndash; Peter Mayhew, English–American actor (b. 1944)
* 2019 &ndash; S. P. Y. Reddy, Indian politician (b. 1950)
* 2024 &ndash; Paul Auster, American writer and mover director (b. 1947)

## Observances 
* Queen's Day in the Netherlands (birthday of Queen Juliana), celebrated on this date from 1949 to 2013
* King Carl XVI Gustaf's birthday, official Flag Day in Sweden
* Walpurgis Night (Central and Northern Europe)
* International Jazz Day
* Liberation Day (Vietnam)
* Children's Day (Mexico)
* Armed Forces Day (Georgia)