The temperature on August 20, 1912 was between 9.9 °C and 19.0 °C and averaged 14.7 °C. There was 5.7 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 10 » RMS Titanic sets sail from Southampton, England on her maiden and only voyage.
April 14 » The British passenger liner RMSTitanic hits an iceberg in the North Atlantic at 23:40 (sinks morning of April 15th).
May 8 » Paramount Pictures is founded.
October 7 » The Helsinki Stock Exchange sees its first transaction.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
Day of marriage June 18, 1937
The temperature on June 18, 1937 was between 5.4 °C and 14.4 °C and averaged 10.2 °C. There was 5.6 mm of rain during 2.6 hours. There was 2.6 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
April 9 » The Kamikaze arrives at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
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/I119753.php : accessed October 20, 2026), "Gerrit Kamstra (1912-)".
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