The temperature on May 20, 1915 was between 9.7 °C and 16.5 °C and averaged 13.0 °C. There was 1.5 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage September 30, 1936
The temperature on September 30, 1936 was between 1.2 °C and 15.3 °C and averaged 9.3 °C. There was 0.2 mm of rain. There was 1.7 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 7 » Prelude to World War II: In violation of the Locarno Pact and the Treaty of Versailles, Germany reoccupies the Rhineland.
July 26 » Spanish Civil War: Germany and Italy decide to intervene in the war in support for Francisco Franco and the Nationalist faction.
September 9 » The crews of Portuguese Navy frigate NRPAfonso de Albuquerque and destroyer Dão mutinied against the Salazar dictatorship's support of General Franco's coup and declared their solidarity with the Spanish Republic.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
October 4 » The British Union of Fascists and various anti-fascist organizations violently clash in the Battle of Cable Street.
December 21 » First flight of the Junkers Ju 88 multi-role combat aircraft.
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/I187679.php : accessed October 22, 2026), "Grietje Spijkerman (1915-)".
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