The temperature on May 6, 1915 was between 9.9 °C and 21.5 °C and averaged 15.4 °C. There was 5.4 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of marriage August 26, 1936
The temperature on August 26, 1936 was between 10.2 °C and 20.2 °C and averaged 15.7 °C. There was 6.3 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 5 » First flight of K5054, the first prototype Supermarine Spitfire advanced monoplane fighter aircraft in the United Kingdom.
March 29 » Adolf Hitler receives 99% of the votes in the 1936 German parliamentary election and referendum.
May 26 » In the House of Commons of Northern Ireland, Tommy Henderson begins speaking on the Appropriation Bill. By the time he sits down in the early hours of the following morning, he had spoken for ten hours.
June 11 » The London International Surrealist Exhibition opens.
August 3 » Jesse Owens wins the 100 metre dash, defeating Ralph Metcalfe, at the Berlin Olympics.
December 10 » Abdication Crisis: Edward VIII signs the Instrument of Abdication.
Day of death December 26, 1987
The temperature on December 26, 1987 was between 5.9 °C and 9.0 °C and averaged 7.6 °C. There was 0.4 mm of rain during 0.2 hours. The almost completely overcast 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.
May 1 » Pope John Paul II beatifies Edith Stein, a Jewish-born Carmelite nun who was gassed in the Nazi concentration camp at Auschwitz.
June 28 » For the first time in military history, a civilian population is targeted for chemical attack when Iraqi warplanes bombed the Iranian town of Sardasht.
July 1 » The American radio station WFAN in New York City is launched as the world's first all-sports radio station.
July 29 » British Prime Minister Margaret Thatcher and President of France François Mitterrand sign the agreement to build a tunnel under the English Channel (Eurotunnel).
August 4 » The Federal Communications Commission rescinds the Fairness Doctrine which had required radio and television stations to present controversial issues "fairly".
September 16 » The Montreal Protocol is signed to protect the ozone layer from depletion.
When copying data from this family tree, please include a reference to the origin: Ton Ross, "Family tree Ross - Peters - Hart - van der Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ross/I3497.php : accessed January 30, 2026), "Geertje Sijmons (1915-1987)".
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