The temperature on May 20, 1913 was between 1.6 °C and 15.5 °C and averaged 10.5 °C. There was 7.0 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
March 26 » First Balkan War: Bulgarian forces capture Adrianople.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
October 31 » The Indianapolis Streetcar Strike and subsequent riot begins.
December 23 » The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System.
Day of marriage May 12, 1937
The temperature on May 12, 1937 was between 9.4 °C and 18.3 °C and averaged 13.5 °C. There was 1.0 mm of rain during 0.3 hours. There was 5.9 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
December 12 » Second Sino-Japanese War: USS Panay incident: Japanese aircraft bomb and sink U.S. gunboat USSPanay on the Yangtze river in China.
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/I123586.php : accessed October 25, 2026), "Maria Elisabeth de Jong (1913-)".
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