The temperature on July 3, 1914 was between 15.5 °C and 24.5 °C and averaged 19.0 °C. There was 8.6 mm of rain. There was 4.5 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 5 » In Cleveland, Ohio, the first electric traffic light is installed.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
September 9 » World War I: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army.
October 18 » The Schoenstatt Movement is founded in Germany.
November 1 » World War I: The Australian Imperial Force (AIF) departed by ship in a single convoy from Albany, Western Australia bound for Egypt.
Day of marriage May 13, 1937
The temperature on May 13, 1937 was between 8.0 °C and 15.7 °C and averaged 10.9 °C. There was 0.8 mm of rain during 0.8 hours. There was 1.5 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 2 » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
March 8 » Spanish Civil War: The Battle of Guadalajara begins.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
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/I80354.php : accessed February 14, 2026), "Hendrika Postmus (1914-)".
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