The temperature on June 20, 1762 was about 19.0 °C. There was 22 mm of rainWind direction mainly north-northwest. Weather type: geheel betrokken regen. Source: KNMI
March 10 » French Huguenot Jean Calas, who had been wrongly convicted of killing his son, dies after being tortured by authorities; the event inspired Voltaire to begin a campaign for religious tolerance and legal reform.
May 5 » Russia and Prussia sign the Treaty of St. Petersburg.
June 6 » In the Seven Years' War, British forces begin the Siege of Havana and temporarily capture the city.
July 17 » Former emperor Peter III of Russia is murdered.
September 15 » Seven Years' War: Battle of Signal Hill.
October 6 » Seven Years' War: The British Capture Manila from Spain and occupy it.
Day of marriage January 21, 1791
The temperature on January 21, 1791 was about 3.0 °C. Wind direction mainly south-southeast. Weather type: half bewolkt bui. Source: KNMI
January 25 » The British Parliament passes the Constitutional Act of 1791 and splits the old Province of Quebec into Upper Canada and Lower Canada.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
July 14 » The Priestley Riots drive Joseph Priestley, a supporter of the French Revolution, out of Birmingham, England.
August 4 » The Treaty of Sistova is signed, ending the Ottoman–Habsburg wars.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
November 4 » Northwest Indian War: The Western Confederacy of American Indians wins a major victory over the United States in the Battle of the Wabash.
Day of death June 9, 1820
The temperature on June 9, 1820 was about 13.0 °C. Wind direction mainly west-northwest. Weather type: half bewolkt regen. Source: KNMI
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De Republiek der Verenigde Nederlanden werd in 1794-1795 door de Fransen veroverd onder leiding van bevelhebber Charles Pichegru (geholpen door de Nederlander Herman Willem Daendels); de verovering werd vergemakkelijkt door het dichtvriezen van de Waterlinie; Willem V moest op 18 januari 1795 uitwijken naar Engeland (en van daaruit in 1801 naar Duitsland); de patriotten namen de macht over van de aristocratische regenten en proclameerden de Bataafsche Republiek; op 16 mei 1795 werd het Haags Verdrag gesloten, waarmee ons land een vazalstaat werd van Frankrijk; in 3.1796 kwam er een Nationale Vergadering; in 1798 pleegde Daendels een staatsgreep, die de unitarissen aan de macht bracht; er kwam een nieuwe grondwet, die een Vertegenwoordigend Lichaam (met een Eerste en Tweede Kamer) instelde en als regering een Directoire; in 1799 sloeg Daendels bij Castricum een Brits-Russische invasie af; in 1801 kwam er een nieuwe grondwet; bij de Vrede van Amiens (1802) kreeg ons land van Engeland zijn koloniën terug (behalve Ceylon); na de grondwetswijziging van 1805 kwam er een raadpensionaris als eenhoofdig gezag, namelijk Rutger Jan Schimmelpenninck (van 31 oktober 1761 tot 25 maart 1825).
January 27 » A Russian expedition led by Fabian Gottlieb von Bellingshausen and Mikhail Petrovich Lazarev discovers the Antarctic continent, approaching the Antarctic coast.
January 30 » Edward Bransfield sights the Trinity Peninsula and claims the discovery of Antarctica.
February 6 » The first 86 African American immigrants sponsored by the American Colonization Society depart New York to start a settlement in present-day Liberia.
February 23 » Cato Street Conspiracy: A plot to murder all the British cabinet ministers is exposed.
May 1 » Execution of the Cato Street Conspirators, who plotted to kill the British Cabinet and Prime Minister Lord Liverpool.
November 20 » An 80-ton sperm whale attacks and sinks the Essex (a whaling ship from Nantucket, Massachusetts) 2,000 miles from the western coast of South America. (Herman Melville's 1851 novel Moby-Dick is in part inspired by this story.)
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I527768.php : accessed March 5, 2026), "Harm Gerrits Jager (1762-1820)".
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