January 7 » A peace treaty is signed between Peshwa Bajirao and Jai Singh II following Maratha victory in the Battle of Bhopal.
April 18 » Real Academia de la Historia ("Royal Academy of History") is founded in Madrid.
May 24 » John Wesley is converted, essentially launching the Methodist movement; the day is celebrated annually by Methodists as Aldersgate Day and a church service is generally held on the preceding Sunday.
May 25 » A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.
July 15 » Baruch Laibov and Alexander Voznitzin are burned alive in St. Petersburg, Russia. Vonitzin had converted to Judaism with Laibov's help, with the consent of Empress Anna Ivanovna.
July 20 » Canadian explorer Pierre Gaultier de Varennes et de La Vérendrye reaches the western shore of Lake Michigan.
Day of death September 14, 1777
The temperature on September 14, 1777 was about 13.0 °C. Wind direction mainly east. Weather type: omtrent helder. 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.
January 3 » American General George Washington defeats British General Lord Cornwallis at the Battle of Princeton.
January 15 » American Revolutionary War: New Connecticut (present-day Vermont) declares its independence.
June 14 » The Second Continental Congress passes the Flag Act of 1777 adopting the Stars and Stripes as the Flag of the United States.
October 17 » American Revolutionary War: British General John Burgoyne surrenders his army at Saratoga, New York.
December 24 » Kiritimati, also called Christmas Island, is discovered by James Cook.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I618883.php : accessed March 16, 2026), "Symen Sjoerds Ypma (1709-1777)".
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