Here are some one liners...
The Discovery of Planet 7 and the Search for Planet 9 -- Uranus is discovered by a music teacher. I talk about recent evidence of a new planet.
Standing at the Breaking Point: The Siege of Yorktown -- Washington and the French win the War of Independence.
The Articles of Confederation Are Ratified -- Just as the war is ending, the Articles that created the Union for mutual defense is made official.