The temperature on June 19, 1913 was between 10.8 °C and 19.1 °C and averaged 15.0 °C. There was 5.3 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
April 24 » The Woolworth Building, a skyscraper in New York City, is opened.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
August 13 » First production in the UK of stainless steel by Harry Brearley.
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
October 31 » Dedication of the Lincoln Highway, the first automobile highway across United States.
Day of marriage June 4, 1940
The temperature on June 4, 1940 was between 9.2 °C and 22.1 °C and averaged 15.6 °C. There was 12.0 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 27 » Martin Kamen and Sam Ruben discover carbon-14.
March 5 » Six high-ranking members of Soviet politburo, including Joseph Stalin, sign an order for the execution of 25,700 Polish intelligentsia, including 14,700 Polish POWs, in what will become known as the Katyn massacre.
May 7 » World War II: The Norway Debate in the British House of Commons begins, and leads to the replacement of Prime Minister Neville Chamberlain with Winston Churchill three days later.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
June 23 » Henry Larsen begins the first successful west-to-east navigation of Northwest Passage from Vancouver, British Columbia, Canada.
September 19 » World War II: Witold Pilecki is voluntarily captured and sent to Auschwitz to smuggle out information and start a resistance movement.
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/I5569.php : accessed January 29, 2026), "Hermanus Jonker (1913-)".
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