Here’s a look at some interesting events that took place on this day in history:

1512: The ceiling of the Sistine Chapel in Rome, one of Italian artist Michelangelo's finest works, is exhibited to the public for the first time (more info)

1765: The British Parliament enacts the Stamp Act on the 13 colonies to help pay for military operations in North America (more info)

1952: The United States detonates the world's first thermonuclear weapon, the hydrogen bomb, on Eniwetok atoll in the Pacific (more info)

1968: The Motion Picture Association of America's film-rating system is officially introduced, originating with the ratings G, M, R, and X (more info)

1993: The Maastricht Treaty takes effect, formally establishing the European Union (more info)