April 15th - pay your taxes
April 15, 1452, Leonardo da Vinci is born.
April 15, 1865 Abraham Lincoln dies nine hours after he is shot by John Wilkes Booth while attending the play "Our American Cousin" at Ford's Theatre in Washington
April 15, 1912 — On her maiden voyage from Southampton to New York, the passenger liner Titanic hit an iceberg and sank (which some say enables the creation of US Federal Reserve)
2022 April 14-15. The sinking of the warship Moskva on Thursday after it was engulfed in hell was a “ big blow ” to Russia's naval force in the Black Sea, the Pentagon said on Thursday. The guided missile cruiser sank into a rough sea after being damaged by fire during Russia's military operation in Ukraine, the Moscow Defense Ministry said.
On April 15, 1947, Jackie Robinson put on his first Brooklyn Dodgers uniform (number 42) and broke the Major League Baseball “color line”.
2013 Boston Marathon bombings: 3 people are killed and 183 injured after two explosions near the finish line
2019 – The cathedral of Notre-Dame de Paris in France is seriously damaged by a large fire.