The temperature on May 19, 1912 was between 9.6 °C and 19.1 °C and averaged 13.8 °C. There was 8.3 hours of sunshine (52%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 8 » Paramount Pictures is founded.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
Day of marriage April 30, 1936
The temperature on April 30, 1936 was between 6.0 °C and 12.6 °C and averaged 8.6 °C. There was 4.8 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 15 » The first building to be completely covered in glass, built for the Owens-Illinois Glass Company, is completed in Toledo, Ohio.
February 29 » February 26 Incident in Tokyo ends.
March 1 » The Hoover Dam is completed.
August 1 » The Olympics opened in Berlin with a ceremony presided over by Adolf Hitler.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
December 13 » An annular solar eclipse occurred and was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).
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/I64971.php : accessed February 23, 2026), "Tettje Haipke Hinderkien Mulder (1912-)".
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