- 1111 – Henry V is crowned Holy Roman Emperor.[1]
- 1204 – Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire.[2]
- 1612 – Miyamoto Musashi defeats Sasaki Kojirō at Funajima island.
- 1613 – Samuel Argall, having captured Native American princess Pocahontas in Passapatanzy, Virginia, sets off with her to Jamestown with the intention of exchanging her for English prisoners held by her father.[3]
- 1742 – George Frideric Handel‘s oratorio Messiah makes its world premiere in Dublin, Ireland.
- 1777 – American Revolutionary War: American forces are ambushed and defeated in the Battle of Bound Brook, New Jersey.
- 1829 – The Roman Catholic Relief Act 1829 gives Roman Catholics in the United Kingdom the right to vote and to sit in Parliament.
- 1849 – Lajos Kossuth presents the Hungarian Declaration of Independence in a closed session of the National Assembly.
- 1861 – American Civil War: Fort Sumter surrenders to Confederate forces.
- 1865 – American Civil War: Raleigh, North Carolina is occupied by Union Forces.
- 1870 – The New York City Metropolitan Museum of Art is founded.
- 1873 – The Colfax massacre, in which more than 60 black men are murdered, takes place.
- 1909 – The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
- 1919 – Jallianwala Bagh massacre: British Indian Army troops lead by Brigadier-General Reginald Dyer killed approx 379-1000 unarmed demonstrators including men and women in Amritsar, India; and approximately 1,500 injured.
- 1941 – A pact of neutrality between the USSR and Japan is signed.
- 1943 – World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denies responsibility.
- 1943 – The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson‘s birth.
- 1944 – Relations between New Zealand and the Soviet Union are established.
- 1945 – World War II: German troops kill more than 1,000 political and military prisoners in Gardelegen, Germany.
- 1945 – World War II: Soviet and Bulgarian forces capture Vienna.
- 1948 – In an ambush, 78 Jewish doctors, nurses and medical students from Hadassah Hospital, and a British soldier, are massacred by Arabs in Sheikh Jarrah. This event came to be known as the Hadassah medical convoy massacre.
- 1953 – CIA director Allen Dulles launches the mind-control program Project MKUltra.
- 1958 – American pianist Van Cliburn is awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.
- 1960 – The United States launches Transit 1-B, the world’s first satellite navigation system.
- 1964 – At the Academy Awards, Sidney Poitier becomes the first African-American male to win the Best Actor award for the 1963 film Lilies of the Field.
- 1970 – An oxygen tank aboard the Apollo 13 Service Module explodes, putting the crew in great danger and causing major damage to the Apollo command and service module (codenamed “Odyssey“) while en route to the Moon.
- 1972 – The Universal Postal Union decides to recognize the People’s Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
- 1972 – Vietnam War: The Battle of An Lộc begins.
- 1975 – An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.
- 1976 – The United States Treasury Department reintroduces the two-dollar bill as a Federal Reserve Note on Thomas Jefferson‘s 233rd birthday as part of the United States Bicentennial celebration.
- 1976 – Forty workers die in an explosion at the Lapua ammunition factory, the deadliest accidental disaster in modern history in Finland.
- 1992 – Basements throughout the Chicago Loop are flooded, forcing the Chicago Board of Trade Building and the Chicago Mercantile Exchange to close.
- 1997 – Tiger Woods becomes the youngest golfer to win the Masters Tournament.
- 2003 – A bus near the Vale of Tempe, Greece is involved in a major vehicle accident with a truck and multiple cars, leaving 21 students in the tenth grade of Makrochori, Imathia High School dead and nine injured during their return to their homes from a trip to Athens.
- 2017 – The US drops the largest ever non-nuclear weapon on Nangarhar Province, Afghanistan.
-Source: wikipedia
