February 27 » Fußball-Club Bayern München is founded.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of death June 15, 1943
The temperature on June 15, 1943 was between 7.9 °C and 17.0 °C and averaged 11.9 °C. There was 8.7 mm of rain during 4.8 hours. There was 4.9 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 23 » World War II: Troops of the British Eighth Army capture Tripoli in Libya from the German–Italian Panzer Army.
February 7 » World War II: Imperial Japanese Navy forces complete the evacuation of Imperial Japanese Army troops from Guadalcanal during Operation Ke, ending Japanese attempts to retake the island from Allied forces in the Guadalcanal Campaign.
March 4 » World War II: The Battle of the Bismarck Sea in the south-west Pacific comes to an end.
May 16 » The Holocaust: The Warsaw Ghetto Uprising ends.
September 9 » World War II: The Allies land at Salerno and Taranto, Italy.
November 5 » World War II: Bombing of the Vatican.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099504781.php : accessed January 20, 2026), "Janna de Groot (1879-1943)".
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