The temperature on June 9, 1912 was between 8.2 °C and 22.1 °C and averaged 14.6 °C. There was 2.7 mm of rain. There was 7.8 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
Day of marriage May 11, 1937
The temperature on May 11, 1937 was between 10.4 °C and 18.2 °C and averaged 13.4 °C. There was 6.3 mm of rain during 1.7 hours. There was 0.8 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
June 3 » The Duke of Windsor marries Wallis Simpson.
September 21 » J. R. R. Tolkien's The Hobbit is published.
October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
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/I167466.php : accessed October 23, 2026), "Johannes Zuidema (1912-)".
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