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).
February 21 » Lucy Hobbs Taylor becomes the first American woman to graduate from dental school.
April 8 » Italy and Prussia ally against the Austrian Empire.
June 3 » The Fenians are driven out of Fort Erie, Ontario back into the United States.
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.
August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
August 20 » President Andrew Johnson formally declares the American Civil War over.
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.
January 1 » Ellis Island begins processing immigrants into the United States.
March 18 » Former Governor General Lord Stanley pledges to donate a silver challenge cup as an award for the best hockey team in Canada; it was later named after him as the Stanley Cup.
June 7 » Homer Plessy is arrested for refusing to leave his seat in the "whites-only" car of a train; he lost the resulting court case, Plessy v. Ferguson.
July 26 » Dadabhai Naoroji is elected as the first Indian Member of Parliament in Britain.
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.
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.
March 10 » Mahatma Gandhi is arrested in India, tried for sedition, and sentenced to six years in prison, only to be released after nearly two years for an appendicitis operation.
April 3 » Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
September 27 » King Constantine I of Greece abdicates his throne in favor of his eldest son, George II.
October 18 » The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.
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 11, 2026), "Johannes Postmus (1866-1922)".
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