January 3 » American General George Washington defeats British General Lord Cornwallis at the Battle of Princeton.
April 27 » American Revolutionary War: The Battle of Ridgefield: A British invasion force engages and defeats Continental Army regulars and militia irregulars at Ridgefield, Connecticut.
September 26 » American Revolution: British troops occupy Philadelphia.
September 27 » American Revolution: Lancaster, Pennsylvania becomes the capital of the United States for one day after Congress evacuates Philadelphia.
November 29 » San Jose, California, is founded as Pueblo de San José de Guadalupe by José Joaquín Moraga. It is the first civilian settlement, or pueblo, in Alta California.
December 24 » Kiritimati, also called Christmas Island, is discovered by James Cook.
Christening day February 1, 1778
The temperature on February 1, 1778 was about -1.0 °C. Wind direction mainly east. Weather type: betrokken mist. Source: KNMI
February 14 » The United States flag is formally recognized by a foreign naval vessel for the first time, when French Admiral Toussaint-Guillaume Picquet de la Motte renders a nine gun salute to USSRanger, commanded by John Paul Jones.
February 23 » American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania to help to train the Continental Army.
June 18 » American Revolutionary War: British troops abandon Philadelphia.
July 4 » American Revolutionary War: U.S. forces under George Clark capture Kaskaskia during the Illinois campaign.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
November 26 » In the Hawaiian Islands, Captain James Cook becomes the first European to visit Maui.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I6021.php : accessed October 23, 2026), "Petrus Albert Couperus (1777-????)".
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