March 11 » Queen Anne withholds Royal Assent from the Scottish Militia Bill, the last time a British monarch vetoes legislation.
March 23 » James Francis Edward Stuart lands at the Firth of Forth as part of the planned French invasion of Britain.
September 11 » Charles XII of Sweden stops his march to conquer Moscow outside Smolensk, marking the turning point in the Great Northern War. The army is defeated nine months later in the Battle of Poltava, and the Swedish Empire ceases to be a major power.
October 9 » Peter the Great defeats the Swedes at the Battle of Lesnaya.
Day of death August 5, 1791
The temperature on August 5, 1791 was about 17.0 °C. Wind direction mainly west-northwest. Weather type: zeer betrokken. Source: KNMI
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.
August 4 » The Treaty of Sistova is signed, ending the Ottoman–Habsburg wars.
August 14 » Slaves from plantations in Saint-Domingue hold a Vodou ceremony led by houngan Dutty Boukman at Bois Caïman, marking the start of the Haitian Revolution.
September 30 » France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly
November 9 » Foundation of the Dublin Society of United Irishmen.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P22163.php : accessed January 20, 2026), "John Clapp (1708-1791)".
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