January 30 » Tây Sơn forces emerge victorious against Qing armies and liberate the capital Thăng Long.
March 4 » In New York City, the first Congress of the United States meets, putting the United States Constitution into effect. The United States Bill of Rights is written and proposed to Congress.
April 20 » George Washington arrives at Grays Ferry, Philadelphia while en route to Manhattan for his inauguration.
July 9 » In Versailles, the National Assembly reconstitutes itself as the National Constituent Assembly and begins preparations for a French constitution.
July 10 » Alexander Mackenzie reaches the Mackenzie River delta.
September 26 » George Washington appoints Thomas Jefferson the first United States Secretary of State.
Christening day December 26, 1789
The temperature on December 26, 1789 was about 5.0 °C. Wind direction mainly west-southwest. Weather type: zeer betrokken. Special wheather fenomena: noorderlicht. Source: KNMI
May 5 » In France, the Estates-General convenes for the first time since 1614.
July 14 » Alexander Mackenzie finally completes his journey to the mouth of the great river he hoped would take him to the Pacific, but which turns out to flow into the Arctic Ocean. Later named after him, the Mackenzie is the second-longest river system in North America.
July 27 » The first U.S. federal government agency, the Department of Foreign Affairs, is established (it will be later renamed Department of State).
August 26 » The Declaration of the Rights of Man and of the Citizen is approved by the National Constituent Assembly of France.
September 29 » The 1st United States Congress adjourns.
October 19 » John Jay is sworn in as the first Chief Justice of the United States.
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/I10872.php : accessed October 5, 2026), "Klaas Jans (1789-< 1803)".
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