January 18 » James Cook is the first known European to discover the Hawaiian Islands, which he names the "Sandwich Islands".
February 23 » American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania to help to train the Continental Army.
July 3 » American Revolutionary War: Iroquois allied to Britain kill 360 people in the Wyoming Valley massacre.
July 10 » American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
September 7 » American Revolutionary War: France invades Dominica in the British West Indies, before Britain is even aware of France's involvement in the war.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
Christening day March 22, 1778
The temperature on March 22, 1778 was about 9.0 °C. Wind direction mainly west-southwest. Weather type: omtrent helder. Special wheather fenomena: noorderlicht. Source: KNMI
February 6 » New York became the third state to ratify the Articles of Confederation.
May 12 » Heinrich XI, count of the Principality of Reuss-Greiz, is elevated to Prince by Joseph II, Holy Roman Emperor.
July 3 » American Revolutionary War: Iroquois allied to Britain kill 360 people in the Wyoming Valley massacre.
July 10 » American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
July 27 » American Revolution: First Battle of Ushant: British and French fleets fight to a standoff.
November 11 » Cherry Valley massacre: Loyalists and Seneca Indian forces attack a fort and village in eastern New York during the American Revolutionary War, killing more than forty civilians and soldiers.
When copying data from this family tree, please include a reference to the origin: Robert Postt, "Family tree Postt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postt/I15.php : accessed January 12, 2026), "Magteltje Gerrits Post (1778-< 1779)".
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