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 British 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)