The temperature on May 21, 1909 was between 8.3 °C and 25.6 °C and averaged 17.8 °C. There was 13.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
Day of marriage November 12, 1930
The temperature on November 12, 1930 was between 2.5 °C and 9.3 °C and averaged 6.1 °C. There was 0.8 mm of rain during 0.3 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
September 8 » 3M begins marketing Scotch transparent tape.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
December 29 » Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory and outlines a vision for the creation of Pakistan.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I208744.php : accessed October 11, 2026), "Roel Westra (1909-)".
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