APRIL 12th

1983 : Harold Washington defeats Republican Bernard Epton in elections and becomes the first African American to be elected mayor of Chicago

1981 : Launch of the first manned spacecraft, Columbia, from the US Space Shuttle program with commander John Young and pilot Robert Crippen

1980 : William R. Tolbert, Jr., who was Liberia's president since 1971, was killed in a military coup led by Samuel K. Doe

1961 : Soviet cosmonaut Yuri Gagarin becomes the first man to fly into space. The space shuttle, Vostok 1, flies in a low-Earth orbit

1955 : The Salk vaccine, the first vaccine for paralyzing polio, is used generally

---

Find More Interesting History in @factsout

---

---

Wait a sec, let me tell you!
Dont forget to give upvote if you like and comment down below if something is disturbing your mind.

---