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

1777: After 16 months of debate, the Continental Congress approves the Articles of Confederation (more info)

1867: The first stock ticker is unveiled in New York City (more info)

1939: President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial (more info)

1943: German S.S. leader Heinrich Himmler orders that Gypsies are to be put "on the same level as Jews and placed in concentration camps" (more info)

1969: In Washington, D.C., an estimated 500,000 protesters stage a peaceful demonstration against the Vietnam War (more info)

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