February 17 » In Sweden February 17 is followed by March 1 as the country moves from the Julian calendar to the Gregorian calendar.
May 1 » Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature.
Day of marriage September 19, 1777
The temperature on September 19, 1777 was about 13.0 °C. Wind direction mainly east. Weather type: zeer betrokken. Source: KNMI
January 2 » American Revolutionary War: American forces under the command of George Washington repulsed a British attack at the Battle of the Assunpink Creek near Trenton, New Jersey.
June 14 » The Second Continental Congress passes the Flag Act of 1777 adopting the Stars and Stripes as the Flag of the United States.
July 7 » American forces retreating from Fort Ticonderoga are defeated in the Battle of Hubbardton.
August 6 » American Revolutionary War: The bloody Battle of Oriskany prevents American relief of the Siege of Fort Stanwix.
September 3 » American Revolutionary War: During the Battle of Cooch's Bridge, the Flag of the United States is flown in battle for the first time.
September 26 » American Revolution: British troops occupy Philadelphia.
When copying data from this family tree, please include a reference to the origin: Patrick Cloostermans, "Family tree of Patrick Cloostermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-patrick-cloostermans/I685.php : accessed February 19, 2026), "Joannes Baptist HEYMAN (1753-????)".
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