📜 This Day in History
March 7
321Emperor Constantine I decreed that Sunday, the day honoring the sun god Sol Invictus, would be the Roman day of rest.- 1814War of the Sixth Coalition: Napoleon's army forced Mikhail Semyonovich Vorontsov's Russian troops to withdraw from the Chemin des Dames, but French casualties exceeded Russian losses.
- 1900The German ocean liner SS Kaiser Wilhelm der Grosse became the first ship to send a wireless telegraph message to an onshore receiver.
- 1965Unarmed civil rights activists marching from Selma to Montgomery, Alabama, were attacked by police on "Bloody Sunday".
- 1990Teachers in West Virginia began a labor strike that involved several thousand educators across the state.
- 2021A series of four explosions at a military barracks in Bata, Equatorial Guinea caused at least 107 deaths.
