The temperature on March 12, 1904 was between -1.9 °C and 5.8 °C and averaged 2.3 °C. There was 3.8 hours of sunshine (33%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 17 » Anton Chekhov's The Cherry Orchard receives its premiere performance at the Moscow Art Theatre.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
Day of marriage September 1, 1926
The temperature on September 1, 1926 was between 15.1 °C and 28.4 °C and averaged 21.1 °C. There was 9.7 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 4 » The United Kingdom general strike begins.
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
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/I133348.php : accessed October 24, 2026), "Gerrit Koolstra (1904-)".
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