Henry IV of England born in Bolingbroke Castle, Lincolnshire, England.
Renaissance man Leonardo da Vinci born in Vinci, Italy.
Dr Samuel Johnson publishes his Dictionary of the English Language.
German poet, painter, and illustrator, Wilhelm Busch (Max and Moritz) born in Wiedensahl, Germany.
Writer Henry James (The Turn of the Screw) born in New York City.
Artist Thomas Hart Benton born in Neosho, Missouri.
Blues singer Bessie Smith born in Chattanooga, Tennessee.
The passenger liner RMS Titanic sinks after having struck an iceberg on April 14.
Anarchists Sacco and Vanzetti allegedly murder two security guards while robbing a shoe store.
Actress Claudia Cardinale (The Pink Panther) born in Tunis, French Tunisia.
Jackie Robinson of the Brooklyn Dodgers broke the color line in professional baseball.
Tiananmen Square protests begin in Beijing, China.
Death of poet and illustrator Edward Gorey in Hyannis, Massachusetts.
Two bombs explosions near the finish line at the Boston Marathon kill 3 people and injuring 264 others.
Notre-Dame de Paris cathedral in France is damaged by fire.