The temperature on April 13, 1913 was between -4.4 °C and 7.4 °C and averaged 1.5 °C. There was 1.1 mm of rain. There was 8.8 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 4 » The United States Department of Labor is formed.
May 30 » The Treaty of London is signed, ending the First Balkan War; Albania becomes an independent nation.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
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
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
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.
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I285790.php : accessed February 26, 2026), "Hendrikus Sterkman (1913-)".
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