April 12 in history | Beginning of American Civil War, first human in space and more!
Authored By Shivani Kumar
Published: Apr 11, 2020, 21:40 IST | Updated: Apr 11, 2020, 21:40 IST
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1770
Britain repeals hated Townshend Act in the Colonies
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1861
American Civil War begins as Confederate forces fire on Fort Sumter
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1961
Yuri Gagrin becomes first human in space
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1955
Salk vaccine against polio is declared safe and effective
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1981
Spacecraft Columbia is launched for the first time
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