April 21 is the 111th day of the year (112th in leap years) in the Gregorian calendar. There are 254 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Saturday (58 in 400 years each) than on Sunday or Monday (57), and slightly less likely to occur on a Wednesday or Friday (56).
753 BC – Romulus founds Rome (traditional date).
43 BC – The Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after.
1506 – The three-day Lisbon Massacre comes to an end with the slaughter of over 1,900 suspected Jews by Portuguese Catholics.
43 BC – The Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after.
1506 – The three-day Lisbon Massacre comes to an end with the slaughter of over 1,900 suspected Jews by Portuguese Catholics.
1836 – The Texas Revolution ― The Battle of San Jacinto: Republic of Texas forces under Sam Houston defeat troops under Mexican General Antonio López de Santa Anna.
1898 – The Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
1918 – World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
1945 – World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters.
1898 – The Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
1918 – World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
1945 – World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters.
1975 – The Vietnam War: President of South Vietnam Nguyễn Văn Thiệu flees Saigon, as Xuân Lộc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls.
1987 – The Tamil Tigers are blamed for a car bomb that detonates in the Sri Lankan capital city of Colombo, killing 106 people.
1989 – Tiananmen Square protests of 1989: In Beijing, around 100,000 students gather in Tiananmen Square to commemorate Chinese reform leader Hu Yaobang.
1992 – The first discoveries of extrasolar planets are announced by astronomers Aleksander Wolszczan and Dale Frail. They discovered two planets orbiting the pulsar PSR 1257+12.
2010 – The controversial Kharkiv Pact (Russian Ukrainian Naval Base for Gas Treaty) is signed in Kharkiv, Ukraine, by Ukrainian President Viktor Yanukovych and Russian President Dmitry Medvedev; it will be unilaterally terminated by Russia on March 31, 2014 under Vladimir Putin.
BORN TODAY
1774 – Jean-Baptiste Biot, French physicist, astronomer, and mathematician (d. 1862)
1838 – John Muir, Scottish-American environmentalist and author (d. 1914)
1882 – Percy Williams Bridgman, American physicist and academic, Nobel Prize laureate (d. 1961)
1889 – Efrem Zimbalist, Sr., Russian-American violinist, composer, and conductor (d. 1985)
1930 – Dieter Roth, German-Swiss illustrator and sculptor (d. 1998)
From Wikipedia and Google (images), ex as noted.
2010 – The controversial Kharkiv Pact (Russian Ukrainian Naval Base for Gas Treaty) is signed in Kharkiv, Ukraine, by Ukrainian President Viktor Yanukovych and Russian President Dmitry Medvedev; it will be unilaterally terminated by Russia on March 31, 2014 under Vladimir Putin.
2012 – Two trains are involved in a head-on collision near Sloterdijk, Amsterdam, in the Netherlands, injuring 116 people.
BORN TODAY
1774 – Jean-Baptiste Biot, French physicist, astronomer, and mathematician (d. 1862)
1838 – John Muir, Scottish-American environmentalist and author (d. 1914)
1882 – Percy Williams Bridgman, American physicist and academic, Nobel Prize laureate (d. 1961)
1889 – Efrem Zimbalist, Sr., Russian-American violinist, composer, and conductor (d. 1985)
1930 – Dieter Roth, German-Swiss illustrator and sculptor (d. 1998)
From Wikipedia and Google (images), ex as noted.
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