January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
September 17 » The United States Constitution is signed in Philadelphia.
September 28 » The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
Christening day January 27, 1788
The temperature on January 27, 1788 was about 2.0 °C. Wind direction mainly south. Weather type: zeer betrokken. Source: KNMI
January 20 » The third and main part of First Fleet arrives at Botany Bay. Arthur Phillip decides that Port Jackson is a more suitable location for a colony.
April 7 » American pioneers to the Northwest Territory establish Marietta, Ohio as the first permanent American settlement in the Northwest Territory.
May 8 » King Louis XVI of France attempts to impose the reforms of Étienne Charles de Loménie de Brienne by abolishing the parlements.
May 23 » South Carolina ratifies the United States Constitution as the eighth American state.
July 25 » Wolfgang Amadeus Mozart completes his Symphony No. 40 in G minor (K550).
July 26 » New York ratifies the United States Constitution and becomes the 11th state of the United States.
Day of marriage February 5, 1809
The temperature on February 5, 1809 was about 7.0 °C. Wind direction mainly south-southeast. Weather type: zeer betrokken. 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 6 » Combined British, Portuguese and colonial Brazilian forces begin the Invasion of Cayenne during the Napoleonic Wars.
January 16 » Peninsular War: The British defeat the French at the Battle of La Coruña.
May 5 » The Swiss canton of Aargau allows citizenship to Jews.
May 17 » Emperor Napoleon I orders the annexation of the Papal States to the French Empire.
May 21 » The first day of the Battle of Aspern-Essling between the Austrian army led by Archduke Charles and the French army led by Napoleon I of France sees the French attack across the Danube held.
September 18 » The Royal Opera House in London opens.
Day of death October 8, 1861
The temperature on October 8, 1861 was about 22.7 °C. The air pressure was 2.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
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/I18099.php : accessed October 7, 2026), "Eelkje Wytzes Postma (1787-1861)".
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.