June 9 » James Oglethorpe is granted a royal charter for the colony of the future U.S. state of Georgia.
September 16 » In Campo Maior, Portugal, a storm hits the Armory and a violent explosion ensues, killing two thirds of its inhabitants.
November 29 » The magnitude 6.6 Irpinia earthquake causes 1,940 deaths in the former Kingdom of Naples, southern Italy.
December 7 » The Royal Opera House opens at Covent Garden, London, England.
Day of marriage November 11, 1757
The temperature on November 11, 1757 was about 7.0 °C. There was 4 mm of rainWind direction mainly southwest. Weather type: geheel betrokken regen. Source: KNMI
January 5 » Louis XV of France survives an assassination attempt by Robert-François Damiens, the last person to be executed in France by drawing and quartering, the traditional and gruesome form of capital punishment used for regicides.
May 6 » Battle of Prague: A Prussian army fights an Austrian army in Prague during the Seven Years' War.
May 6 » The end of Konbaung–Hanthawaddy War, and the end of Burmese Civil War (1740–1757).
June 23 » Battle of Plassey: Three thousand British troops under Robert Clive defeat a 50,000-strong Indian army under Siraj ud-Daulah at Plassey.
November 5 » Seven Years' War: Frederick the Great defeats the allied armies of France and the Holy Roman Empire at the Battle of Rossbach.
December 5 » Seven Years' War: Battle of Leuthen: Frederick II of Prussia leads Prussian forces to a decisive victory over Austrian forces under Prince Charles Alexander of Lorraine.
Day of death September 11, 1818
The temperature on September 11, 1818 was about 12.0 °C. Wind direction mainly west-southwest. Weather type: half bewolkt bui onweer. 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).
January 15 » A paper by David Brewster is read to the Royal Society, belatedly announcing his discovery of what we now call the biaxial class of doubly-refracting crystals. On the same day, Augustin-Jean Fresnel signs a "supplement" (submitted four days later) on reflection of polarized light.
April 4 » The United States Congress, affirming the Second Continental Congress, adopts the flag of the United States with 13 red and white stripes and one star for each state (20 at that time).
April 16 » The United States Senate ratifies the Rush–Bagot Treaty, limiting naval armaments on the Great Lakes and Lake Champlain.
October 20 » The Convention of 1818 is signed between the United States and the United Kingdom, which settles the Canada–United States border on the 49th parallel for most of its length.
December 3 » Illinois becomes the 21st U.S. state.
December 24 » The first performance of "Silent Night" takes place in the church of St. Nikolaus in Oberndorf, Austria.
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/I160748.php : accessed February 12, 2026), "Saakje Klazes Groothof (1732-1818)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.