The temperature on September 30, 1905 was between 8.3 °C and 13.4 °C and averaged 10.5 °C. There was 4.1 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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 22 » Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
September 1 » Alberta and Saskatchewan join the Canadian confederation.
November 18 » Prince Carl of Denmark becomes King Haakon VII of Norway.
December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
Day of marriage March 19, 1942
The temperature on March 19, 1942 was between 1.1 °C and 7.3 °C and averaged 5.0 °C. There was 3.4 mm of rain during 4.2 hours. 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 19 » World War II: The Japanese conquest of Burma begins.
January 23 » World War II: The Battle of Rabaul commences Japan's invasion of Australia's Territory of New Guinea.
May 9 » Holocaust: The SS executes 588 Jewish residents of the Podolian town of Zinkiv (Khmelnytska oblast, Ukraine). The Zoludek Ghetto (in Belarus) is destroyed and all its inhabitants executed or deported.
May 19 » World War II: In the aftermath of the Battle of the Coral Sea, Task Force 16 heads to Pearl Harbor.
July 22 » Grossaktion Warsaw: The systematic deportation of Jews from the Warsaw ghetto begins.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
Day of death February 23, 1981
The temperature on February 23, 1981 was between -6.4 °C and 1.5 °C and averaged -2.7 °C. There was 6.7 hours of sunshine (64%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I71443.php : accessed February 5, 2026), "Jan Mulder (1905-1981)".
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