The temperature on April 3, 1889 was about 4.5 °C. There was 2 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage April 30, 1914
The temperature on April 30, 1914 was between 6.6 °C and 13.3 °C and averaged 9.3 °C. There was 0.4 mm of rain. There was 1.5 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
May 15 » During a poker game at the Gaiety Theatre in Galesburg, Illinois, comedian Art Fisher nicknames Chicko, Harpo, Groucho, and Gummo Marx.
August 4 » In response to the German invasion of Belgium, Belgium and the British Empire declare war on Germany. The United States declares its neutrality.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
Day of death December 4, 1960
The temperature on December 4, 1960 was between 7.3 °C and 11.4 °C and averaged 9.9 °C. There was 38.7 mm of rain during 14.7 hours. The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
February 26 » A New York-bound Alitalia airliner crashes into a cemetery in Shannon, Ireland, shortly after takeoff, killing 34 of the 52 persons on board.
March 9 » Dr. Belding Hibbard Scribner implants for the first time a shunt he invented into a patient, which allows the patient to receive hemodialysis on a regular basis.
April 9 » Dr Hendrik Verwoerd, Prime Minister of South Africa and architect of apartheid, narrowly survives an assassination attempt by a white farmer, David Pratt in Johannesburg.
May 13 » Hundreds of University of California, Berkeley students congregate for the first day of protest against a visit by the House Committee on Un-American Activities.
August 19 » Cold War: In Moscow, Russia, Soviet Union, downed American U-2 pilot Francis Gary Powers is sentenced to ten years imprisonment by the Soviet Union for espionage.
September 5 » Muhammad Ali (then known as Cassius Clay) wins the gold medal in the light heavyweight boxing competition at the Olympic Games in Rome.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I175147.php : accessed March 5, 2026), "Jans Vrieling (1889-1960)".
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