The temperature on March 20, 1895 was about 6.4 °C. There was 11 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage March 8, 1916
The temperature on March 8, 1916 was between -1.6 °C and 3.4 °C and averaged 0.7 °C. There was 0.2 mm of rain. There was 2.2 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 8 » In Corona, California, race car driver Bob Burman crashes, killing three (including himself), and badly injuring five spectators.
June 10 » The Arab Revolt against the Ottoman Empire was declared by Hussein bin Ali, Sharif of Mecca.
July 1 » World War I: First day on the Somme: On the first day of the Battle of the Somme 19,000 soldiers of the British Army are killed and 40,000 wounded.
August 29 » The United States passes the Philippine Autonomy Act.
September 19 » World War I: During the East African Campaign, colonial forces of the Belgian Congo (Force Publique) under the command of Charles Tombeur capture the town of Tabora after heavy fighting.
November 5 » The Kingdom of Poland is proclaimed by the Act of 5th November of the emperors of Germany and Austria-Hungary.
Day of death February 16, 1959
The temperature on February 16, 1959 was between -0.9 °C and 1.6 °C and averaged 0.3 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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/I133350.php : accessed October 15, 2026), "Hendrik Koolstra (1895-1959)".
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