The temperature on July 2, 1914 was between 18.1 °C and 27.8 °C and averaged 22.4 °C. There was 11.8 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
August 14 » World War I: Start of the Battle of Lorraine, an unsuccessful French offensive designed to recover the lost province of Moselle from Germany.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
November 26 » HMS Bulwark was destroyed by a large internal explosion with the loss of 741 men near Sheerness.
Day of marriage May 4, 1935
The temperature on May 4, 1935 was between 5.2 °C and 20.1 °C and averaged 13.9 °C. There was 12.3 hours of sunshine (82%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 28 » Iceland becomes the first Western country to legalize therapeutic abortion.
March 16 » Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
November 24 » The Senegalese Socialist Party holds its second congress.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
Day of death January 17, 1977
The temperature on January 17, 1977 was between -2.2 °C and 5.9 °C and averaged 2.0 °C. There was -0.1 mm of rain. There was 3.5 hours of sunshine (42%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
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.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I69698.php : accessed January 24, 2026), "Jacob Poelman (1914-1977)".
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