The temperature on August 4, 1910 was between 11.8 °C and 21.5 °C and averaged 16.0 °C. There was 23.7 mm of rain. There was 6.2 hours of sunshine (40%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 4 » The Royal Canadian Navy is created.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
Day of marriage December 11, 1930
The temperature on December 11, 1930 was between -2.8 °C and 2.4 °C and averaged 0.2 °C. There was 0.2 mm of rain during 0.2 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
June 21 » One-year conscription comes into force in France.
September 8 » 3M begins marketing Scotch transparent tape.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
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/I117298.php : accessed January 13, 2026), "Ymkje Ritsma (1910-)".
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