The temperature on December 25, 1912 was between 5.9 °C and 11.3 °C and averaged 7.9 °C. There was 11.6 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage June 15, 1938
The temperature on June 15, 1938 was between 8.2 °C and 16.3 °C and averaged 12.1 °C. There was 0.1 mm of rain. There was 0.8 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
June 24 » Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450metric tons when it hit the Earth's atmosphere and exploded.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 27 » The ocean liner Queen Elizabeth is launched in Glasgow.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I294777.php : accessed February 7, 2026), "Christiaan Wierstra (1912-)".
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