January 19 » Bolle Willum Luxdorph records in his diary that a mail bomb, possibly the world's first, has severely injured the Danish Colonel Poulsen, residing at Børglum Abbey.
January 19 » John Wilkes is expelled from the British House of Commons for seditious libel.
February 15 » The city of St. Louis is established in Spanish Louisiana (now in Missouri, USA).
September 7 » Election of Stanisław August Poniatowski as the last ruler of the Polish–Lithuanian Commonwealth.
Christening day June 22, 1764
The temperature on June 22, 1764 was about 20.0 °C. Wind direction mainly east by north. Weather type: helder. Special wheather fenomena: veel dauw. Source: KNMI
January 19 » Bolle Willum Luxdorph records in his diary that a mail bomb, possibly the world's first, has severely injured the Danish Colonel Poulsen, residing at Børglum Abbey.
January 19 » John Wilkes is expelled from the British House of Commons for seditious libel.
February 15 » The city of St. Louis is established in Spanish Louisiana (now in Missouri, USA).
September 7 » Election of Stanisław August Poniatowski as the last ruler of the Polish–Lithuanian Commonwealth.
Day of marriage June 26, 1785
The temperature on June 26, 1785 was about 15.0 °C. Wind direction mainly northeast. Weather type: omtrent helder. Source: KNMI
January 7 » Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover, England, to Calais, France, in a gas balloon.
January 20 » Invading Siamese forces attempt to exploit the political chaos in Vietnam, but are ambushed and annihilated at the Mekong river by the Tây Sơn in the Battle of Rạch Gầm-Xoài Mút.
January 27 » The University of Georgia is founded, the first public university in the United States.
November 28 » The first Treaty of Hopewell is signed, by which the United States acknowledges Cherokee lands in what is now East Tennessee.
Day of death March 16, 1789
The temperature on March 16, 1789 was about 0.0 °C. Wind direction mainly north-northeast. Weather type: betrokken winderig. Source: KNMI
January 21 » The first American novel, The Power of Sympathy or the Triumph of Nature Founded in Truth by William Hill Brown, is printed in Boston.
June 14 » Mutiny on the Bounty: HMSBounty mutiny survivors including Captain William Bligh and 18 others reach Timor after a nearly 7,400km (4,600mi) journey in an open boat.
August 26 » The Declaration of the Rights of Man and of the Citizen is approved by the National Constituent Assembly of France.
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 3 » George Washington proclaims a Thanksgiving Day for that year.
Day of burial March 21, 1789
The temperature on March 21, 1789 was about 4.0 °C. Wind direction mainly west-northwest. Weather type: betrokken winderig. Source: KNMI
April 21 » George Washington's reception at Trenton is hosted by the Ladies of Trenton as he journeys to New York City for his first inauguration.
June 14 » Mutiny on the Bounty: HMSBounty mutiny survivors including Captain William Bligh and 18 others reach Timor after a nearly 7,400km (4,600mi) journey in an open boat.
June 17 » In France, the Third Estate declares itself the National Assembly.
August 4 » France: Members of the National Constituent Assembly take an oath to end feudalism and abandon their privileges.
September 22 » Battle of Rymnik: Alexander Suvorov's Russian and allied army defeats superior Ottoman Empire forces.
October 3 » George Washington proclaims a Thanksgiving Day for that year.
When copying data from this family tree, please include a reference to the origin: Weijerman, "Family tree Weijerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weijerman/I895.php : accessed January 21, 2026), "Helena Catharina Elisabeth Berkman (1764-1789)".
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