1979 – Zulfikar Ali Bhutto is executed
The former President of Pakistan had been deposed by a coup d'etat. He was hanged despite international calls to stop the execution.
1975 – Bill Gates and Paul Allen establish Microsoft
Microsoft has developed into a multinational corporation, and it is the world's largest software maker by revenue.
1969 – Denton Cooley implants the first artificial heart
The machine kept patient Haskell Karp alive for 65 hours, until he received a human heart transplant. His body rejected the transplant and he died on April 8, 1969.
1968 – Martin Luther King Jr. is assassinated
The civil rights activist was killed by James Earl Ray. Ray, a segregationist, received a 99-year prison sentence. He died in jail in 1998.
1949 – NATO is formed
12 nations signed the North Atlantic Treaty to establish what is today one of the world's most important military alliances.
1979 – Heath Ledger
Australian actor, director
1979 – Roberto Luongo
Canadian ice hockey player
1952 – Gary Moore
Irish singer-songwriter, guitarist, producer
1928 – Maya Angelou
American author, poet, actress, director
1875 – Pierre Monteux
French conductor
2013 – Roger Ebert
American journalist, critic, screenwriter
1984 – Oleg Antonov
Soviet aircraft designer, founded the Antonov Aircraft Company
1979 – Zulfikar Ali Bhutto
Pakistani politician, 4th President of Pakistan
1968 – Martin Luther King, Jr.
American minster, activist, Nobel Prize laureate
1929 – Karl Benz
German engineer, businessman, founded Mercedes-Benz
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