The temperature on February 12, 1885 was about 8.3 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
March 19 » Louis Riel declares a provisional government in Saskatchewan, beginning the North-West Rebellion.
April 24 » American sharpshooter Annie Oakley is hired by Nate Salsbury to be a part of Buffalo Bill's Wild West.
June 9 » Treaty of Tientsin is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam – most of present-day Vietnam – to France.
August 29 » Gottlieb Daimler patents the world's first internal combustion motorcycle, the Reitwagen.
Day of marriage May 9, 1911
The temperature on May 9, 1911 was between 7.7 °C and 22.1 °C and averaged 15.8 °C. There was 12.2 hours of sunshine (80%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of death December 12, 1968
The temperature on December 12, 1968 was between -11.0 °C and -2.3 °C and averaged -8.0 °C. There was 5.0 hours of sunshine (64%). The average windspeed was 1 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 6 » Three rebels are executed by Rhodesia, the first executions since UDI, prompting international condemnation.
September 24 » First episode of 60 Minutes airs on television.
October 31 » Vietnam War October surprise: Citing progress with the Paris peace talks, US President Lyndon B. Johnson announces to the nation that he has ordered a complete cessation of "all air, naval, and artillery bombardment of North Vietnam" effective November 1.
November 8 » The Vienna Convention on Road Traffic is signed to facilitate international road traffic and to increase road safety by standardising the uniform traffic rules among the signatories.
December 16 » Second Vatican Council: Official revocation of the Edict of Expulsion of Jews from Spain.
When copying data from this family tree, please include a reference to the origin: Freek van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/van-loon-stamboom/I24.php : accessed January 26, 2026), "Catharina van der Ploeg (1885-1968)".
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