1600s
- 1620: The Mayflower Compact was signed by 41 male passengers aboard the Mayflower, creating the first framework for self-governance in the area that would become the United States.
- 1675: Integral calculus was first demonstrated.
1700s
- 1750: The first college fraternity, “The Flat Hat Club Society,” was formed at the Raleigh Tavern in Virginia.
- 1834: Hans Christian Andersen’s “The Ugly Duckling” was first published.
- 1889: Washington became the 42nd state to join the United States.
1900s
- 1918: The armistice ending World War I was signed by the Allies and Germany, taking effect at 11 a.m. on the 11th hour of the 11th day of the 11th month. This day became recognized as Armistice Day and is now celebrated as Veterans Day in the United States.
- 1918: Poland was reestablished.
- 1921: The Tomb of the Unknowns at Arlington Cemetery was dedicated.
- 1965: Rhodesia declared its independence from the United Kingdom.
- 1975: Angola gained independence from Portugal.
- 1989: The Berlin Wall fell after 28 years.
2000s
- 2004: The death of Yasser Arafat was confirmed.
- 2011: The U.S. and China pledged to cooperate on fighting climate change at the COP26 summit.












