The temperature on September 10, 1887 was about 14.4 °C. The air pressure was 13 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
Day of marriage May 8, 1913
The temperature on May 8, 1913 was between 2.6 °C and 15.2 °C and averaged 10.6 °C. There was 5.0 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
March 22 » Mystic Phan Xích Long, the self-proclaimed Emperor of Vietnam, was arrested for organising a revolt against the colonial rule of French Indochina, which was nevertheless carried out by his supporters the following day.
June 24 » Greece and Serbia annul their alliance with Bulgaria.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
September 23 » Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
Day of death April 16, 1968
The temperature on April 16, 1968 was between 6.9 °C and 22.0 °C and averaged 15.0 °C. There was 0.7 mm of rain during 1.6 hours. There was 8.1 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 31 » Vietnam War: Viet Cong guerrillas attack the United States embassy in Saigon, and other attacks, in the early morning hours, later grouped together as the Tet Offensive.
February 24 » Vietnam War: The Tet Offensive is halted; South Vietnam recaptures Hué.
April 3 » Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech. He was assassinated the next day.
June 5 » Presidential candidate Robert F. Kennedy is assassinated by Sirhan Sirhan.
July 1 » The United States Central Intelligence Agency's Phoenix Program is officially established.
July 20 » The first International Special Olympics Summer Games are held at Soldier Field in Chicago, with about 1,000 athletes with intellectual disabilities.
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/I75454.php : accessed February 17, 2026), "Douwe van der Kooi (1887-1968)".
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