April 20 » George Washington arrives at Grays Ferry, Philadelphia while en route to Manhattan for his inauguration.
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.
August 28 » William Herschel discovers a new moon of Saturn: Enceladus.
September 29 » The United States Department of War first establishes a regular army with a strength of several hundred men.
October 2 » The United States Bill of Rights is sent to the various States for ratification.
October 6 » French Revolution: King Louis XVI is forced to change his residence from Versailles to the Tuileries Palace.
Christening day January 25, 1789
The temperature on January 25, 1789 was about 4.0 °C. Wind direction mainly west-southwest. Weather type: zeer betrokken. Source: KNMI
April 1 » In New York City, the United States House of Representatives achieves its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first Speaker.
April 7 » Selim III became Sultan of the Ottoman Empire and Caliph of Islam.
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.
August 4 » France: Members of the National Constituent Assembly take an oath to end feudalism and abandon their privileges.
August 28 » William Herschel discovers a new moon of Saturn: Enceladus.
Day of death September 16, 1868
The temperature on September 16, 1868 was about 12.1 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
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/I84492.php : accessed October 3, 2026), "Willemtien Willems Havinga (1789-1868)".
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