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
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
November 28 » Albania declares its independence from the Ottoman Empire.
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
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
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.
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 24, 2026), "Johannes Zuidema (1912-)".
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