The Royal Canadian Air Force was formed out of the Canadian Air Force.
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The lost Roman city of Pompeii was rediscovered by a Spanish engineer Rocque Joaquin de Alcubierre.
NASA celebrated April Fool's Day by telling the world that they found water on Mars.
The TIROS satellite transmitted the first-ever TV picture from space.
The Nagorno-Karabakh conflict between Armenia and Azerbaijan began.
Jesus Christ's Last Supper was held.
