March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
July 1 » Start of first Tour de France bicycle race.
July 23 » The Ford Motor Company sells its first car.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
October 6 » The High Court of Australia sits for the first time.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage June 1, 1940
The temperature on June 1, 1940 was between 5.3 °C and 17.5 °C and averaged 12.5 °C. There was 0.9 mm of rain during 0.8 hours. There was 5.0 hours of sunshine (30%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
July 19 » Field Marshal Ceremony: First occasion in World War II that Adolf Hitler appoints field marshals due to military achievements.
August 5 » World War II: The Soviet Union formally annexes Latvia.
August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
August 25 » World War II: The first Bombing of Berlin by the British Royal Air Force.
October 15 » President Lluís Companys of Catalonia is executed by the Francoist government.
November 5 » Franklin D. Roosevelt is the first and only President of the United States to be elected to a third term.
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/I18188.php : accessed February 28, 2026), "Arend Jan van Ommen (1903-)".
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