On This Day: April 12

7 verified moments happened on April 12. Here they are in the order they actually happened — the same kind of puzzle you solve in Whensly every day.

1. 1861💥 Confederate forces open fire on Fort Sumter in Charleston Harbor, beginning the American Civil War.History · Source: HISTORY, 'Civil War Begins'; National Park Service (Apr 12 1861)
2. 1861💣 Confederate artillery opens fire on the Union garrison at Fort Sumter in Charleston Harbor, igniting the Civil War.USA 250 · Source: National Park Service, Battle of Fort Sumter begins (Apr 12 1861)
3. 1955💉 Scientists announce in Ann Arbor that Jonas Salk's polio vaccine is safe, effective, and potent.History · Source: University of Michigan; History.com (Apr 12 1955)
4. 1961🚀 Yuri Gagarin orbits Earth aboard Vostok, becoming the first human to travel into outer space.History · Source: Wikipedia, 'Vostok 1' (Apr 12 1961)
5. 1965The Philadelphia Phillies beat the Astros in the first regular-season game played in the Houston AstrodomeSports · Source: https://sabr.org/gamesproj/game/april-12-1965-phillies-win-first-regular-season-game-in-the-astrodome/
6. 1981Darrell Waltrip wins the CRC Rebel 500 at Darlington in his first season driving for car owner Junior JohnsonStock Car Racing · Source: Wikipedia, “1981 NASCAR Winston Cup Series” — CRC Rebel 500, Darlington International Raceway, Apr 12, 1981
7. 1987Larry Mize holes an outrageous 140-foot chip on the 11th to stun Greg Norman in a Masters playoff.Sports · Source: Wikipedia: 1987 Masters Tournament; CNN, Masters 2017: Larry Mize remembers outrageous chip