The temperature on July 29, 1870 was about 19.9 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 3 » Construction work begins on the Brooklyn Bridge in New York, United States.
January 15 » A political cartoon for the first time symbolizes the Democratic Party with a donkey ("A Live Jackass Kicking a Dead Lion" by Thomas Nast for Harper's Weekly).
February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of marriage September 6, 1900
The temperature on September 6, 1900 was about 16.1 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 19 » The first line of the Paris Métro opens for operation.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
Day of death December 1, 1953
The temperature on December 1, 1953 was between 4.2 °C and 9.9 °C and averaged 7.0 °C. There was 0.3 hours of sunshine (4%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
June 18 » A United States Air Force C-124 crashes and burns near Tachikawa, Japan, killing 129.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
August 19 » Cold War: The CIA and MI6 help to overthrow the government of Mohammad Mosaddegh in Iran and reinstate the Shah Mohammad Reza Pahlavi.
September 21 » Lieutenant No Kum-sok, a North Korean pilot, defects to South Korea with his jet fighter.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I113922.php : accessed March 4, 2026), "Pieter de Leeuw (1870-1953)".
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