Events in History
Conference of Interest
Apr 7 US President Dwight D. Eisenhower in news conference is first to voice fear of a "domino-effect" of communism in Indo-China

Dwight D. Eisenhower
Event of Interest
Apr 13 Robert Oppenheimer accused of being a communist

Robert Oppenheimer

Georgy Malenkov
First Solar Battery
Apr 25 Bell labs announces the 1st solar battery made from silicon. It has about 6% efficiency.
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Polio
Apr 26 Mass trials of Jonas Salk's anti-polio vaccine begin; the first shot is delivered in Fairfax County, Virginia; more than 443,000 children receive shots over three months
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- Apr 26 USSR Supreme Soviet transfer the Crimean oblast from Russian SFSR to Ukrainian SSR
Birthdays in History
- Apr 5 Michael W Butler, computer programmer (created TODAY program)
- Apr 8 G.V. Loganathan, American professor (d. 2007)
- Apr 9 Iain Duncan Smith, British politician, Leader of the Conservative Party (2001-03), born in Edinburgh, Scotland
- Apr 13 Barbara Roche, British Labour Party politician
- Apr 14 Bruce Sterling, American sci-fi author (Involution Ocean, Schismatrix)
- Apr 24 Mumia Abu-Jamal, American journalist and political activist sentenced to death and then to life in prison, born in Philadelphia, Pennsylvania
- Apr 29 Bill Paxon, (Rep-R-New York)
Deaths in History
- Apr 10 Auguste Lumière, French photograph and movie pioneer, dies at 81
- Apr 10 Ludwig Curtius, German archaeologist (Die antike Kunst), dies at 79
- Apr 13 Angus Lewis Macdonald, Canadian politician, dies at 63
- Apr 17 Lucreţiu Pătrăşcanu, Romanian communist activist and sociologist, dies at 53
- Apr 25 Joseph Hergesheimer, novelist (Java Head), dies
- Apr 28 Léon Jouhaux, French socialist & co-founder UN's ILO (Nobel 1951), dies at 74
- Apr 29 Ernst Heldring, Dutch ship owner and financier, dies at 82