The temperature on June 26, 1885 was about 16.7 °C. There was 0.2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. 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 5 » King Leopold II of Belgium establishes the Congo as a personal possession.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
May 2 » Cree and Assiniboine warriors win the Battle of Cut Knife, their largest victory over Canadian forces during the North-West Rebellion.
July 1 » The United States terminates reciprocity and fishery agreement with Canada.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
November 19 » Serbo-Bulgarian War: Bulgarian victory in the Battle of Slivnitsa solidifies the unification between the Principality of Bulgaria and Eastern Rumelia.
Day of death August 10, 1935
The temperature on August 10, 1935 was between 11.6 °C and 23.5 °C and averaged 17.6 °C. There was 0.1 mm of rain. There was 13.3 hours of sunshine (89%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
June 25 » Colombia–Soviet Union relations are established.
October 10 » In Greece, a coup d'état ends the Second Hellenic Republic.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
December 9 » The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
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The Family tree Van Os publication was prepared by wijlen Harry Lubberman (as indicated in the digital, genealogical legacy, this publication remains online, contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Harry Lubberman, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/van-os-stamboom/I6079.php : accessed February 21, 2026), "Anna Margaretha Siebum (± 1855-1935)".
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