What are the important events that happened on April 20? Here are historical events, facts, and some myths about this day.
April 20: Facts & Myths About This Day
April 20 is the 110th day of the year 2025 in the Gregorian calendar. There are 255 days remaining until the end of this year. The day of the week is Sunday.
Under the Julian calendar, this day is April 7, 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, 1,745,107,200 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 ‘hectadecagon’ 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 303 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 4,503 days since this fabled cataclysmic event.
Do people and celebrities interest you? Discover all the April 20 famous birthdays who share your special day. Learn some fun facts about your birthday!
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April 20 Historical Events
- 1526 –The last ruler of the Lodi Dynasty, Ibrahim Lodi is defeated and killed by Babur in the First Battle of Panipat.
- 1534 –Jacques Cartier begins the voyage during which he discovers Canada and Labrador.
- 1657 –Freedom of religion is granted to the Jews of New Amsterdam (later New York City).
- 1689 –The former King James II of England, now deposed, lays siege to Derry.
- 1862 –Louis Pasteur and Claude Bernard complete the first pasteurization tests.
- 1902 –Pierre and Marie Curie refine radium chloride.
- 1912 –Opening day for baseball’s Tiger Stadium in Detroit, Michigan, and Fenway Park in Boston, Massachusetts.
- 1978 –Korean Air Flight 902 is shot down by the Soviet Union.
- 2008 –Danica Patrick wins the Indy Japan 300 becoming the first female driver in history to win an Indy car race.
- 2010 –The Deepwater Horizon oil well explodes in the Gulf of Mexico, killing eleven workers and beginning an oil spill that would last five months.
Who were born on April 20?
- 1818 –Heinrich Göbel, German-born inventor (d. 1893)
- 1904 –George Stibitz, American scientist (d. 1995)
- 1943 –Edie Sedgwick, American actress (d. 1971)
- 1945 –Judith O'Dea, American actress
- 1945 –Michael Brandon, American actor
- 1947 –David Leland, British actor, director and screenwriter
- 1949 –Massimo D'Alema, 76th Prime Minister of Italy
- 1954 –Gilles Lupien, French-Canadian ice hockey player
- 1962 –Henry Joseph Nasiff Jr. (AKA: Hank the Angry Drunken Dwarf), American radio personality (d. 2001)
- 1984 –Edixon Perea Valencia, Colombian football player
Who died on April 20?
- 1929 –Prince Albert Wilhelm Heinrich of Prussia (b. 1862)
- 1986 –Sibte Hassan, Pakistani activist, journalist and writer (b. 1916)
- 1993 –Cantinflas, Mexican comedian and actor (b. 1911)
- 1996 –Tran Van Tra, Vietnamese general and politician (b. 1918)
- 1999 –Eric David Harris, perpetrator of the Columbine High massacre (b. 1981)
- 2001 –Giuseppe Sinopoli, Italian conductor and composer (b. 1946)
- 2003 –Daijiro Kato, Japanese motorcycle racer (b. 1976)
- 2005 –Zygfryd Blaut, Polish football player (b. 1943)
- 2008 –VL Mike, American rapper (b. 1976)
- 2009 –Beata Asimakopoulou, Greek actress (b. 1932)
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