The temperature on June 10, 1890 was about 18.7 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 52%. Source: KNMI
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
April 7 » Completion of the first Lake Biwa Canal.
July 1 » Canada and Bermuda are linked by telegraph cable.
September 25 » The United States Congress establishes Sequoia National Park.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage May 10, 1919
The temperature on May 10, 1919 was between 9.2 °C and 21.4 °C and averaged 15.7 °C. There was 10.6 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
January 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
January 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
February 6 » The five-day Seattle General Strike begins, as more than 65,000 workers in the city of Seattle, Washington, walk off the job.
February 17 » The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks.
June 15 » John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
Day of death January 12, 1976
The temperature on January 12, 1976 was between 8.8 °C and 10.3 °C and averaged 9.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 0.2 hours of sunshine (2%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 5 » The Khmer Rouge proclaim the Constitution of Democratic Kampuchea.
February 4 » In Guatemala and Honduras an earthquake kills more than 22,000.
September 19 » Turkish Airlines Flight 452 hits the Taurus Mountains, outskirt of Karatepe, Turkey, killing all 154 passengers and crew.
October 6 » Cubana de Aviación Flight 455 is destroyed by two bombs, placed on board by an anti-Castro militant group.
October 6 » Premier Hua Guofeng arrests the Gang of Four, ending the Cultural Revolution in China.
November 15 » René Lévesque and the Parti Québécois take power to become the first Quebec government of the 20th century clearly in favor of independence.
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/I106936.php : accessed August 27, 2026), "Wilhelm Heikamp (1890-1976)".
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