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 SS 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, DC, an estimated 500,000 protesters stage a peaceful demonstration against the Vietnam War (More info)