The temperature on November 12, 1885 was about -0.7 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 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.
January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
March 3 » The American Telephone & Telegraph Company is incorporated in New York.
March 24 » Sino-French War: Chinese victory in the Battle of Bang Bo on the Tonkin-Guangxi border.
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 December 24, 1912
The temperature on December 24, 1912 was between 4.5 °C and 9.7 °C and averaged 7.3 °C. There was 1.2 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 2 » The ill-fated RMSTitanic begins sea trials.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of death July 10, 1935
The temperature on July 10, 1935 was between 13.4 °C and 27.7 °C and averaged 21.0 °C. There was 13.7 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
June 3 » One thousand unemployed Canadian workers board freight cars in Vancouver, beginning a protest trek to Ottawa.
August 15 » Will Rogers and Wiley Post are killed after their aircraft develops engine problems during takeoff in Barrow, Alaska.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
October 20 » The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
When copying data from this family tree, please include a reference to the origin: F. de Wolf, "Family tree De Wolf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-wolf/I244.php : accessed January 28, 2026), "Pieter Onnen (1885-1935)".
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