January 25 » The British Parliament passes the Constitutional Act of 1791 and splits the old Province of Quebec into Upper Canada and Lower Canada.
June 21 » King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution.
July 17 » Members of the French National Guard under the command of General Lafayette open fire on a crowd of radical Jacobins at the Champ de Mars, Paris, during the French Revolution, killing scores of people.
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 14 » The Papal States lose Avignon to Revolutionary France.
Christening day April 10, 1791
The temperature on April 10, 1791 was about 8.0 °C. Wind direction mainly north-northeast. Weather type: zeer betrokken. Source: KNMI
January 2 » Big Bottom massacre in the Ohio Country, North America, marking the beginning of the Northwest Indian War.
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.
August 30 » HMSPandora sinks after having run aground on the outer Great Barrier Reef the previous day.
September 5 » Olympe de Gouges writes the Declaration of the Rights of Woman and of the Female Citizen.
September 13 » King Louis XVI of France accepts the new constitution.
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 marriage May 9, 1813
The temperature on May 9, 1813 was about 18.0 °C. Wind direction mainly north. Weather type: half bewolkt regen zwaar donder weerlicht. Special wheather fenomena: bliksem. Source: KNMI
This page is only available in Dutch.
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).
May 11 » William Lawson, Gregory Blaxland and William Wentworth discover a route across the Blue Mountains, opening up inland Australia to settlement.
May 24 » South American independence leader Simón Bolívar enters Mérida, leading the invasion of Venezuela, and is proclaimed El Libertador ("The Liberator").
August 27 » French Emperor Napoleon I defeats a larger force of Austrians, Russians, and Prussians at the Battle of Dresden.
August 30 » First Battle of Kulm: French forces are defeated by an Austrian-Prussian-Russian alliance.
October 5 » War of 1812: The Army of the Northwest defeats a British and Native Canadian force threatening Detroit.
October 19 » War of the Sixth Coalition: Napoleon is forced to retreat from Germany after the Battle of Leipzig.
Day of death July 25, 1866
The temperature on July 25, 1866 was about 18.3 °C. The air pressure was 7 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
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).
March 27 » President of the United States of America Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
April 8 » Italy and Prussia ally against the Austrian Empire.
May 22 » Oliver Winchester founded the Winchester Repeating Arms
July 24 » Reconstruction: Tennessee becomes the first U.S. state to be readmitted to the Union following the American Civil War.
December 12 » Oaks explosion: The worst mining disaster in England kills 361 miners and rescuers.
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/I192983.php : accessed October 11, 2026), "Johannes Piers de Groot (1791-1866)".
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