The temperature on May 15, 1864 was about 14.3 °C. The air pressure was 0.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 75%. 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.
April 29 » Theta Xi fraternity is founded at Rensselaer Polytechnic Institute, the only fraternity to be founded during the American Civil War.
May 15 » American Civil War: Battle of New Market, Virginia: Students from the Virginia Military Institute fight alongside the Confederate army to force Union General Franz Sigel out of the Shenandoah Valley.
June 5 » American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.
June 15 » Arlington National Cemetery is established when 200 acres (0.81km) of the Arlington estate (formerly owned by Confederate General Robert E. Lee) are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton.
July 11 » American Civil War: Battle of Fort Stevens; Confederate forces attempt to invade Washington, D.C.
October 19 » American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.
Day of marriage May 15, 1886
The temperature on May 15, 1886 was about 11.8 °C. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 56%. 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.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 13 » A fire devastates much of Vancouver, British Columbia.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of death December 16, 1920
The temperature on December 16, 1920 was between -11.6 °C and -5.3 °C and averaged -8.0 °C. There was 0.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
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/I56441.php : accessed October 7, 2026), "Jelle Boersma (1864-1920)".
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