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 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 17 » Madama Butterfly receives its première at La Scala in Milan.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
August 23 » The automobile tire chain is patented.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
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
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
June 23 » The College Board administers the first SAT exam.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 11 » The United States Numbered Highway System is established.
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 13, 2026), "Gerrit Koolstra (1904-)".
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