The temperature on February 6, 1866 was about 10.8 °C. The air pressure was 34 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 72%. 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).
April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
April 6 » The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.
April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
July 30 » Armed Confederate veterans in New Orleans riot against a meeting of Radical Republicans, killing 48 people and injuring another 100.
December 12 » Oaks explosion: The worst mining disaster in England kills 361 miners and rescuers.
Day of marriage May 15, 1892
The temperature on May 15, 1892 was about 15.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
July 4 » Western Samoa changes the International Date Line, causing Monday (July 4) to occur twice, resulting in a year with 367 days.
July 6 » Three thousand eight hundred striking steelworkers engage in a day-long battle with Pinkerton agents during the Homestead Strike, leaving ten dead and dozens wounded.
October 12 » The Pledge of Allegiance is first recited by students in many US public schools.
October 13 » Edward Emerson Barnard discovers first comet discovered by photographic means.
December 9 » English football club Newcastle United is founded.
December 18 » Premiere performance of The Nutcracker by Pyotr Ilyich Tchaikovsky in Saint Petersburg, Russia.
Day of death May 21, 1922
The temperature on May 21, 1922 was between 7.9 °C and 27.0 °C and averaged 18.8 °C. There was 13.0 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 9 » Brazil becomes a member of the Berne Convention copyright treaty.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
June 17 » Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
August 26 » Greco-Turkish War (1919–22): Turkish army launched what has come to be known to the Turks as the "Great Offensive" (Büyük Taarruz). The major Greek defense positions were overrun.
November 26 » Howard Carter and Lord Carnarvon become the first people to enter the tomb of Pharaoh Tutankhamun in over 3000 years.
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/I55990.php : accessed October 13, 2026), "Johannes Postmus (1866-1922)".
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