The temperature on September 10, 1905 was between 12.8 °C and 19.1 °C and averaged 15.2 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
September 8 » The 7.2 Mw Calabria earthquake shakes southern Italy with a maximum Mercalli intensity of XI (Extreme), killing between 557 and 2,500 people.
September 23 » Norway and Sweden sign the "Karlstad treaty", peacefully dissolving the Union between the two countries.
December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
Day of death October 18, 1943
The temperature on October 18, 1943 was between 7.5 °C and 15.1 °C and averaged 10.8 °C. There was 0.8 mm of rain during 0.7 hours. There was 1.2 hours of sunshine (11%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
February 23 » Greek Resistance: The United Panhellenic Organization of Youth is founded in Greece.
July 4 » World War II: The Battle of Kursk, the largest full-scale battle in history and the world's largest tank battle, begins in the village of Prokhorovka.
July 10 » World War II: Operation Husky begins in Sicily.
August 23 » World War II: Kharkiv is liberated by the Soviet Union after the Battle of Kursk.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
November 25 » World War II: Statehood of Bosnia and Herzegovina is re-established at the State Anti-fascist Council for the National Liberation of Bosnia and Herzegovina.
When copying data from this family tree, please include a reference to the origin: W. Pothoven, "Family tree Pothoven", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-pothoven/I4100.php : accessed January 16, 2026), "Derkje Lammers (1905-1943)".
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