Event of Interest
Apr 1 Steve Wozniak and Steve Jobs found Apple Computer in the garage of Jobs' parents house in Cupertino, California

Steve Wozniak

Steve Jobs
- Apr 1 Conrail takes over operations from six bankrupt railroads in the northeastern U.S..
- Apr 1 Jovian-Plutonian gravitational effect is first reported by the astronomer Patrick Moore.
- Apr 2 Cambodia Khieu Sampan succeeds Prince Sihanouk as Premier
- Apr 2 Portuguese constitution assumed
- Apr 3 France performs nuclear test at Mururoa atoll
- Apr 4 Seni Pramoj's Democratic Party wins elections in Thailand
Election of Interest
Apr 5 Harold Wilson resigns as James Callaghan becomes Prime Minister of the United Kingdom

James Callaghan

Harold Wilson
Theater Premiere
Apr 5 Tom Stoppard's play "Dirty Linen and New-Found-Land" premieres in London

Tom Stoppard
Event of Interest
Apr 7 Chinese Politburo fires vice-premier Deng Xiaoping

Deng Xiaoping
- Apr 9 US & Russia agreed on size of nuclear tests for peaceful use
- Apr 11 The Apple I computer, created by Steve Wozniak is released
- Apr 12 India set 403 to win by WI They get them, 6 wkts 7 overs spare
- Apr 13 US Federal Reserve begins issuing $2 bicentennial notes
- Apr 18 30th Tony Awards: "Travesties" & "A Chorus Line" win
- Apr 21 Swine Flu vaccine, for non-epidemic, enters testing
- Apr 21 USSR performs nuclear test at Eastern Kazakh/Semipalitinsk USSR
- Apr 25 Elections in Vietnam for a National Assembly to reunite the country
- Apr 25 India all out for 97 v West Indies
- Apr 25 Portugal adopts new constitution
- Apr 25 Cub centerfielder Rick Monday rescues US flag from 2 fans trying to set it on fire
- Apr 26 Pan Am begins non-stop flights NYC-Tokyo
- Apr 27 Arabic Monetary Fund established in Abu Dhabi
- Apr 29 Minister Irene Vorrink begins fluoridating Dutch drinking water
- Apr 30 Royal Canadian Mint opens a branch in Winnipeg, Manitoba