1961 Yuri Gagarin Becomes First Man in Space
https://cosmo.org/blog/view/april-12-in-space-history
1981 First Space Shuttle Columbia Launched
https://cosmo.org/blog/view/april-12-in-space-history
1861: The Confederate States attack Fort Sumter on This Day, 1861 which starts the Civil War.
https://www.battlefields.org/learn/civil-war/battles/fort-sumter
1961 Yuri Gagarin Becomes First Man in Space
https://cosmo.org/blog/view/april-12-in-space-history
1981 First Space Shuttle Columbia Launched
https://cosmo.org/blog/view/april-12-in-space-history
1861: The Confederate States attack Fort Sumter on This Day, 1861 which starts the Civil War.
https://www.battlefields.org/learn/civil-war/battles/fort-sumter