1784 - The first balloon was flown in Ireland.
1865 - U.S. President Abraham Lincoln died from injuries inflicted by John Wilkes Booth.
1912 - The ocean liner Titanic sank at 2:27 a.m. in the North Atlantic after hitting an iceberg the evening before. 1,517 people died and more than 700 people survived.
1917 - The British defeated the Germans at the battle of Arras.
1923 - Insulin became generally available for people suffering with diabetes.
1940 - French and British troops landed at Narvik, Norway.
1945 - During World War II, British and Canadian troops liberated the Nazi concentration camp Bergen-Belsen.
1952 - U.S. President Harry Truman signed the official Japanese peace treaty.
1952 - The first B-52 prototype was tested in the air.
1955 - Ray Kroc started the McDonald's restaurant chain.
1959 - Cuban leader Fidel Castro began a U.S. goodwill tour.
1983 - Tokyo Disneyland opened.
1989 - Students in Beijing launched a series of pro democracy protests upon the death of former Communist Party leader Hu Yaobang. The protests led to the Tienanmen Square massacre.
1989 - In Sheffield, England, 93 people were killed and 180 were injured at a soccer game at Hillsborough Stadium when a crowd surged into an overcrowded standing area.
1994 - The World Trade Organization was established.