The temperature on July 10, 1863 was about 22.0 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 58%. 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 29 » The Bear River Massacre: A detachment of California Volunteers led by Colonel Patrick Edward Connor engage the Shoshone at Bear River, Washington Territory, killing hundreds of men, women and children.
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.
April 16 » American Civil War: During the Vicksburg Campaign, gunboats commanded by acting Rear Admiral David Dixon Porter run downriver past Confederate artillery batteries at Vicksburg.
May 1 » American Civil War: The Battle of Chancellorsville begins.
May 21 » American Civil War: The Union Army succeeds in closing off the last escape route from Port Hudson, Louisiana, in preparation for the coming siege.
October 15 » American Civil War: The H. L. Hunley, the first submarine to sink a ship, sinks, killing its inventor.
Day of marriage March 27, 1884
The temperature on March 27, 1884 was about 3.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
August 5 » The cornerstone for the Statue of Liberty is laid on Bedloe's Island (now Liberty Island) in New York Harbor.
October 6 » The Naval War College of the United States is founded in Rhode Island.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death April 6, 1931
The temperature on April 6, 1931 was between -2.1 °C and 11.0 °C and averaged 3.9 °C. There was 4.0 mm of rain during 1.7 hours. There was 8.3 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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/I158337.php : accessed October 20, 2026), "Grietje Postma (1863-1931)".
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