January 8 » George Washington delivers the first State of the Union address in New York City.
May 29 » Rhode Island becomes the last of North America's original Thirteen Colonies to ratify the Constitution and become one of the United States.
July 31 » The first U.S. patent is issued, to inventor Samuel Hopkins for a potash process.
August 2 » The first United States Census is conducted.
December 6 » The U.S. Congress moves from New York City to Philadelphia.
December 26 » Louis XVI of France gives his public assent to Civil Constitution of the Clergy during the French Revolution.
Day of marriage June 23, 1818
The temperature on June 23, 1818 was about 16.0 °C. Wind direction mainly west-southwest. Weather type: half bewolkt winderig. 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 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.
February 12 » Bernardo O'Higgins formally approves the Chilean Declaration of Independence near Concepción, Chile.
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 13 » Cyril VI of Constantinople resigns from his position as Ecumenical Patriarch.
December 24 » The first performance of "Silent Night" takes place in the church of St. Nikolaus in Oberndorf, Austria.
Day of death December 16, 1863
The temperature on December 16, 1863 was about 6.4 °C. There was 0.2 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
January 26 » American Civil War: Governor of Massachusetts John Albion Andrew receives permission from the Secretary of War to raise a militia organization for men of African descent.
March 19 » The SSGeorgiana, said to have been the most powerful Confederate cruiser, is destroyed on her maiden voyage with a cargo of munitions, medicines, and merchandise then valued at over $1,000,000.
May 17 » Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
July 3 » American Civil War: The final day of the Battle of Gettysburg culminates with Pickett's Charge.
July 7 » The United States begins its first military draft; exemptions cost $300.
September 19 » American Civil War: The first day of the Battle of Chickamauga, in northwestern Georgia, the bloodiest two-day battle of the conflict, and the only significant Confederate victory in the war's Western Theater.
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/I9375.php : accessed September 28, 2026), "Gepke Sjoerds Heidema (1790-1863)".
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