March 4 » The Constitutional Act of 1791 is introduced by the British House of Commons in London which envisages the separation of Canada into Lower Canada (Quebec) and Upper Canada (Ontario).
March 4 » Vermont is admitted to the United States as the fourteenth state.
September 5 » Olympe de Gouges writes the Declaration of the Rights of Woman and of the Female Citizen.
September 9 » Washington, D.C., the capital of the United States, is named after President George Washington.
September 14 » The Papal States lose Avignon to Revolutionary France.
November 9 » Foundation of the Dublin Society of United Irishmen.
When copying data from this family tree, please include a reference to the origin: Rudi Dormolen, "Family tree Dormolen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dormolen/I42405.php : accessed December 24, 2025), "Hermina Willemina van Erp (????-1791)".
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