The temperature on October 21, 1911 was between 8.2 °C and 17.2 °C and averaged 12.8 °C. There was 1.3 mm of rain. There was 3.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of death June 4, 1943
The temperature on June 4, 1943 was between 9.9 °C and 17.7 °C and averaged 13.8 °C. There was 9.8 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 24 » World War II: Franklin D. Roosevelt and Winston Churchill conclude a conference in Casablanca.
April 8 » U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities.
April 30 » World War II: The British submarine HMSSeraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans.
May 16 » The Holocaust: The Warsaw Ghetto Uprising ends.
May 30 » The Holocaust: Josef Mengele becomes chief medical officer of the Zigeunerfamilienlager (Romani family camp) at Auschwitz concentration camp.
July 11 » World War II: Allied invasion of Sicily: German and Italian troops launch a counter-attack on Allied forces in Sicily.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I1643.php : accessed January 11, 2026), "Betje Werkheim (1911-1943)".
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