January 1 » General George Washington hoists the first United States flag; the Grand Union Flag at Prospect Hill.
January 10 » American Revolution: Thomas Paine publishes his pamphlet Common Sense.
March 4 » American Revolutionary War: The Continental Army fortifies Dorchester Heights with cannon, leading the British troops to abandon the Siege of Boston.
July 4 » American Revolution: The United States Declaration of Independence is adopted by the Second Continental Congress.
July 12 » Captain James Cook begins his third voyage.
August 27 » Battle of Long Island: In what is now Brooklyn, New York, British forces under General William Howe defeat Americans under General George Washington.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I26359.php : accessed February 14, 2026), "Gerrit Eelses Sinnema (1776-????)".
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