The temperature on December 7, 1889 was about -4.1 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 95%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
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.
March 20 » Albert Einstein publishes his general theory of relativity.
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 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
Day of death November 9, 1965
The temperature on November 9, 1965 was between 1.7 °C and 11.5 °C and averaged 6.6 °C. There was 0.1 mm of rain. There was 4.1 hours of sunshine (45%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
March 7 » Bloody Sunday: A group of 600 civil rights marchers is brutally attacked by state and local police in Selma, Alabama.
June 7 » The Supreme Court of the United States hands down its decision in Griswold v. Connecticut, prohibiting the states from criminalizing the use of contraception by married couples.
June 22 » The Treaty on Basic Relations between Japan and the Republic of Korea is signed.
September 22 » The Indo-Pakistani War of 1965 between India and Pakistan over Kashmir, ends after the United Nations calls for a ceasefire.
October 28 » Pope Paul VI promulgates Nostra aetate, by which the Church officially recognizes the legitimacy of non-Christian faiths.
November 9 » A Catholic Worker Movement member, Roger Allen LaPorte, protesting against the Vietnam War, sets himself on fire in front of the United Nations building.
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/I63494.php : accessed October 20, 2026), "Hendrik Kooistra (1889-1965)".
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