The temperature on August 15, 1916 was between 12.3 °C and 19.8 °C and averaged 16.1 °C. There was 0.9 mm of rain. There was 2.8 hours of sunshine (19%). 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 15 » United States President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter.
June 30 » World War I: In "the day Sussex died", elements of the Royal Sussex Regiment take heavy casualties in the Battle of the Boar's Head at Richebourg-l'Avoué in France.
August 28 » World War I: Italy declares war on Germany.
September 19 » World War I: During the East African Campaign, colonial forces of the Belgian Congo (Force Publique) under the command of Charles Tombeur capture the town of Tabora after heavy fighting.
October 7 » Georgia Tech defeats Cumberland University 222–0 in the most lopsided college football game in American history.
Day of death August 20, 1988
The temperature on August 20, 1988 was between 12.7 °C and 20.2 °C and averaged 15.7 °C. There was 5.1 mm of rain during 1.1 hours. There was 6.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 6 » Michael Jordan makes his signature slam dunk from the free throw line inspiring Air Jordan and the Jumpman logo.
February 29 » Svend Robinson becomes the first member of the House of Commons of Canada to come out as gay.
March 13 » The Seikan Tunnel, the longest undersea tunnel in the world, opens between Aomori and Hakodate, Japan.
March 16 » Halabja chemical attack: The Kurdish town of Halabja in Iraq is attacked with a mix of poison gas and nerve agents on the orders of Saddam Hussein, killing 5,000 people and injuring about 10,000 people.
April 14 » The USSSamuel B. Roberts strikes a mine in the Persian Gulf during Operation Earnest Will.
July 3 » The Fatih Sultan Mehmet Bridge in Istanbul, Turkey is completed, providing the second connection between the continents of Europe and Asia over the Bosphorus.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3418.php : accessed January 7, 2026), "Adrianus Gerardus Maria Straathof (1916-1988)".
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