The temperature on May 31, 1909 was between 10.6 °C and 23.0 °C and averaged 16.9 °C. There was 9.7 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 2 » The Paris Film Congress opens. An attempt by European producers to form an equivalent to the MPCC cartel in the United States.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
Day of marriage May 25, 1937
The temperature on May 25, 1937 was between 9.3 °C and 26.9 °C and averaged 19.0 °C. There was 12.8 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 16 » Wallace H. Carothers receives a United States patent for nylon.
April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
May 28 » Volkswagen, the German automobile manufacturer is founded.
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
September 21 » J. R. R. Tolkien's The Hobbit is published.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I4131.php : accessed February 18, 2026), "Henderika Heusdens (1909-)".
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