The temperature on October 7, 1864 was about 12.9 °C. The air pressure was 3 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 52%. 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.
May 13 » American Civil War: Battle of Resaca: The battle begins with Union General Sherman fighting toward Atlanta.
June 27 » American Civil War: Confederate forces defeat Union forces during the Battle of Kennesaw Mountain during the Atlanta Campaign.
June 29 » At least 99 people, mostly German and Polish immigrants, are killed in Canada's worst railway disaster after a train fails to stop for an open drawbridge and plunges into the Rivière Richelieu near St-Hilaire, Quebec.
August 22 » Twelve nations sign the First Geneva Convention, establishing the rules of protection of the victims of armed conflicts.
September 29 » The Treaty of Lisbon defines the boundaries between Spain and Portugal and abolishes the Couto Misto microstate.
October 2 » American Civil War: Confederates defeat a Union attack on Saltville, Virginia. A massacre of wounded Union prisoners (most of them are from a Black cavalry unit) ensues.
Day of marriage May 6, 1887
The temperature on May 6, 1887 was about 11.2 °C. The air pressure was 10 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I45409.php : accessed February 13, 2026), "Jan Posma (1864-????)".
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