The temperature on December 24, 1886 was about 1.7 °C. There was 1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 96%. 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 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
March 27 » Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
June 13 » A fire devastates much of Vancouver, British Columbia.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
Day of marriage May 15, 1915
The temperature on May 15, 1915 was between 0.1 °C and 12.8 °C and averaged 6.7 °C. There was 12.9 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 21 » Kiwanis International is founded in Detroit.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
September 5 » The pacifist Zimmerwald Conference begins.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of death July 21, 1953
The temperature on July 21, 1953 was between 12.0 °C and 28.2 °C and averaged 21.2 °C. There was 12.7 hours of sunshine (79%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 31 » A North Sea flood causes over 1,800 deaths in the Netherlands and over 300 in the United Kingdom.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
June 2 » The coronation of Queen Elizabeth II, who is crowned Queen of the United Kingdom, Canada, Australia, New Zealand and Her Other Realms and Territories & Head of the Commonwealth, the first major international event to be televised.
June 19 » Cold War: Julius and Ethel Rosenberg are executed at Sing Sing, in New York.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
October 29 » BCPA Flight 304 DC-6 crashes near San Francisco.
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/I203833.php : accessed October 18, 2026), "Grietje Keijzer (1886-1953)".
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