The temperature on July 21, 1910 was between 14.2 °C and 17.7 °C and averaged 15.9 °C. There was 13.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
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.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage January 26, 1939
The temperature on January 26, 1939 was between 0.2 °C and 3.9 °C and averaged 2.4 °C. There was 4.7 mm of rain during 5.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
September 28 » World War II: The siege of Warsaw comes to an end.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
November 8 » In Munich, Adolf Hitler narrowly escapes the assassination attempt of Georg Elser while celebrating the 16th anniversary of the Beer Hall Putsch.
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/I168161.php : accessed October 13, 2026), "Sybren de Boer (1910-)".
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