The temperature on April 15, 1912 was between 2.7 °C and 11.6 °C and averaged 7.7 °C. There was 11.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 2 » The ill-fated RMSTitanic begins sea trials.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
May 4 » Italy occupies the Greek island of Rhodes.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
Day of marriage October 30, 1930
The temperature on October 30, 1930 was between 11.8 °C and 15.2 °C and averaged 13.2 °C. There was 1.1 mm of rain during 1.1 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
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: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I65062.php : accessed February 15, 2026), "Koert Pijper (1912-)".
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