February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage August 30, 1917
The temperature on August 30, 1917 was between 12.2 °C and 16.8 °C and averaged 14.7 °C. There was 3.6 mm of rain. There was 1.3 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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 11 » World War I: Mesopotamian campaign: Baghdad falls to Anglo-Indian forces commanded by General Stanley Maude.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
September 26 » World War I: The Battle of Polygon Wood begins.
December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
Day of death September 13, 1978
The temperature on September 13, 1978 was between 10.9 °C and 18.6 °C and averaged 15.4 °C. There was -0.1 mm of rain. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 13 » Hilton bombing: a bomb explodes in a refuse truck outside the Hilton Hotel in Sydney, Australia, killing two refuse collectors and a policeman.
April 7 » Development of the neutron bomb is canceled by President Jimmy Carter.
June 1 » The first international applications under the Patent Cooperation Treaty are filed.
June 26 » Air Canada Flight 189, flying to Toronto, overruns the runway and crashes into the Etobicoke Creek ravine. Two of the 107 passengers on board perish.
July 10 » President Moktar Ould Daddah of Mauritania is ousted in a bloodless coup d'état.
November 27 » In San Francisco, city mayor George Moscone and openly gay city supervisor Harvey Milk are assassinated by former supervisor Dan White.
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I2188.php : accessed January 24, 2026), "Dirk Onderstal (1895-1978)".
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