What are the important events that happened on April 13? Here are historical events, facts, and some myths about this day.
April 13: Facts & Myths About This Day
April 13 is the 103rd day of the year 2025 in the Gregorian calendar. There are 262 days remaining until the end of this year. The day of the week is Sunday.
Under the Julian calendar, this day is March 31, 2025 – a Sunday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?
When this day started, 1,744,502,400 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.
Strange as it may, if we name this day after a polygon then it will be called ‘hectatrigon’ day.
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Aries is the zodiac sign of a person born on this day. Diamond is the modern birthstone for this month. Opal is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 310 days remaining before the start of the next Chinese New Year.
The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,496 days since this fabled cataclysmic event.
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April 13 Historical Events
- 1204 –Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire.
- 1598 –Henry IV of France issues the Edict of Nantes, allowing freedom of religion to the Huguenots. (Edict repealed in 1685.)
- 1742 –George Frideric Handel’s oratorio Messiah makes its world-premiere in Dublin, Ireland.
- 1861 –American Civil War: Fort Sumter surrenders to Confederate forces.
- 1919 –The Establishment of the Provisional Government of the Republic of Korea.
- 1941 –Pact of neutrality between the USSR and Japan is signed.
- 1943 –World War II: The discovery of a mass grave of Polish prisoners of war executed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government in exile in London from the Soviet Union, which denies responsibility.
- 1945 –World War II: Soviet and Bulgarian forces capture Vienna, Austria.
- 1958 –During the Cold War, American Van Cliburn wins the inaugural International Tchaikovsky Competition in Moscow.
- 1992 –The Great Chicago Flood.
Who were born on April 13?
- 1519 –Catherine de' Medici, wife of Henry II of France (d. 1589)
- 1584 –Albert VI of Bavaria (d. 1666)
- 1780 –Alexander Mitchell, Irish engineer (d. 1868)
- 1894 –Arthur Fadden, 13th Prime Minister of Australia (d. 1973)
- 1957 –Gary Kroeger, American actor
- 1967 –Olga Tañón, Puerto Rican singer
- 1971 –Valensia, Dutch singer
- 1974 –Sergei Gonchar, Russian ice hockey player
- 1978 –Arron Asham, Canadian ice hockey player
- 1982 –Janice Vidal, Hong Kong singer
Who died on April 13?
- 1093 –Prince Vsevolod I of Kiev (b. 1030)
- 1638 –Henri, duc de Rohan, French Huguenot leader (b. 1579)
- 1855 –Henry De la Beche, English geologist (b. 1796)
- 1941 –Annie Jump Cannon, American astronomer (b. 1863)
- 1945 –Ernst Cassirer, German philosopher (b. 1874)
- 1961 –John A. Bennett, American convicted rapist (b. 1935)
- 1978 –Jack Chambers, Canadian artist (b. 1931)
- 1981 –Prince Asaka Yasuhiko of Japan (b. 1887)
- 1983 –Theodore Stephanides, Greek doctor and naturalist (b. 1896)
- 1984 –Dionyssis Papayannopoulos, Greek actor (b. 1912)
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