The temperature on June 1, 1916 was between 8.0 °C and 20.5 °C and averaged 14.7 °C. There was 8.1 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 15 » United States President Woodrow Wilson sends 4,800 United States troops over the U.S.–Mexico border to pursue Pancho Villa.
June 10 » The Arab Revolt against the Ottoman Empire was declared by Hussein bin Ali, Sharif of Mecca.
June 29 » British diplomat turned Irish nationalist Roger Casement is sentenced to death for his part in the Easter Rising.
July 15 » In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing).
July 22 » Preparedness Day Bombing: In San Francisco, a bomb explodes on Market Street during a parade, killing ten and injuring 40.
December 18 » World War I: The Battle of Verdun ends when German forces under Chief of staff Erich von Falkenhayn are defeated by the French, and suffer 337,000 casualties.
Day of marriage March 14, 1940
The temperature on March 14, 1940 was between -1.9 °C and 5.9 °C and averaged 0.5 °C. There was 26.8 mm of rain during 13.7 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 7 » Booker T. Washington becomes the first African American to be depicted on a United States postage stamp.
May 13 » Queen Wilhelmina of the Netherlands flees her country to Great Britain after the German invasion. Princess Juliana takes her children to Canada for their safety.
June 16 » World War II: Marshal Henri Philippe Pétain becomes Chief of State of Vichy France (Chef de l'État Français).
July 3 » World War II: The Royal Navy attacks the French naval squadron in Algeria, to ensure that it will not fall under German control. Of the four French battleships present, one is sunk, two are damaged, and one escapes back to France.
August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
November 5 » World War II: The British armed merchant cruiser, HMSJervis Bay, is sunk by the German pocket battleship Admiral Scheer.
Day of death February 27, 1999
The temperature on February 27, 1999 was between 4.7 °C and 7.0 °C and averaged 5.8 °C. There was 1.9 mm of rain during 3.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 3 » The Mars Polar Lander is launched by NASA.
April 12 » United States President Bill Clinton is cited for contempt of court for giving "intentionally false statements" in a civil lawsuit; he is later fined and disbarred.
August 9 » Russian President Boris Yeltsin fires his Prime Minister, Sergei Stepashin, and for the fourth time fires his entire cabinet.
November 2 » Xerox murders: In the worst mass murder in the history of Hawaii, a gunman shoots at eight people in his workplace, killing seven.
December 5 » Helen Clark is sworn in as Prime Minister of New Zealand, the second woman to hold the post and the first to be elected to the role.
December 31 » Indian Airlines Flight 814 hijacking ended after seven days with the release of 190 survivors at Kandahar Airport, Afghanistan.
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/I189781.php : accessed October 20, 2026), "Roelf Koets (1916-1999)".
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