April 20 has become widely known as a day for people to smoke, eat or partake in marijuana recreationally. Here are some events that have taken place over the years, giving the day significance in history.

1611

William Shakespeare’s “Macbeth” was performed at the Globe Theatre for the first time.

1789

George Washington arrived at Grays Ferry, Philadelphia, while en route to Manhattan for his inauguration.

1836

U.S. Congress passed the act which created the Wisconsin Territory.

1946

The League of Nations officially dissolved which gave most of its power to the United Nations.

1961

During the Cold War: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.

1967

Surveyor 3 became the third unmanned American spacecraft to land on the surface of the moon.

1972

Apollo 16 lunar module, commanded by John Young and piloted by Charles Duke, landed on the moon.

1986

Michael Jordan set a NBA record by scoring 63 points in the Chicago Bulls playoff game against the Boston Celtics.

1990

A group of Deadheads in Oakland, CA handed out flyers to invite people to partake in recreational marijuana becoming the first known day 4/20 was celebrated as cannabis holiday.