The temperature on April 20, 1910 was between 5.6 °C and 11.9 °C and averaged 8.4 °C. There was 1.9 mm of rain. There was 9.4 hours of sunshine (66%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
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 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
Day of marriage June 10, 1937
The temperature on June 10, 1937 was between 15.4 °C and 30.9 °C and averaged 22.8 °C. There was 12.1 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
July 24 » Alabama drops rape charges against the "Scottsboro Boys".
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I5158.php : accessed January 28, 2026), "Theodora Berendina Holtman (1910-)".
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