The temperature on March 21, 1909 was between 5.5 °C and 10.7 °C and averaged 7.3 °C. There was 2.4 mm of rain. There was 1.8 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
Day of death July 18, 1948
The temperature on July 18, 1948 was between 11.5 °C and 17.4 °C and averaged 14.5 °C. There was 8.8 mm of rain during 8.4 hours. There was 1.2 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
April 1 » Faroe Islands gain autonomy from Denmark.
April 22 » Arab–Israeli War: The port city of Haifa is captured by Jewish forces.
May 23 » Thomas C. Wasson, the US Consul-General, is assassinated in Jerusalem, Israel.
June 20 » The Deutsche Mark is introduced in Western Allied-occupied Germany. The Soviet Military Administration in Germany responded by imposing the Berlin Blockade four days later.
December 10 » The Human Rights Convention is signed by the United Nations.
December 14 » Thomas T. Goldsmith Jr. and Estle Ray Mann are granted a patent for their cathode-ray tube amusement device, the earliest known interactive electronic game.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I1081.php : accessed February 6, 2026), "Hijmen van Selm (1909-1948)".
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