The temperature on October 14, 1913 was between 2.3 °C and 12.1 °C and averaged 7.7 °C. There was 1.0 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
June 19 » Natives Land Act, 1913 in South Africa implemented.
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
December 14 » Haruna, the fourth and last Kongō-class ship, launches, eventually becoming one of the Japanese workhorses during World War I and World War II.
Day of marriage February 23, 1939
The temperature on February 23, 1939 was between 0.2 °C and 10.6 °C and averaged 5.4 °C. There was 3.5 mm of rain during 4.0 hours. There was 2.7 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
April 30 » NBC inaugurates its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt's N.Y. World's Fair opening day ceremonial address.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 22 » World War II: A joint German–Soviet military parade in Brest-Litovsk is held to celebrate the successful invasion of Poland.
October 8 » World War II: Germany annexes western Poland.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I25121.php : accessed February 23, 2026), "Jantje Harder (1913-)".
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