The temperature on May 5, 1910 was between 2.9 °C and 12.1 °C and averaged 7.1 °C. There was 3.4 mm of rain. There was 7.0 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
Day of marriage May 4, 1935
The temperature on May 4, 1935 was between 5.2 °C and 20.1 °C and averaged 13.9 °C. There was 12.3 hours of sunshine (82%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
April 8 » The Works Progress Administration is formed when the Emergency Relief Appropriation Act of 1935 becomes law.
June 10 » Dr. Robert Smith takes his last drink, and Alcoholics Anonymous is founded in Akron, Ohio, United States, by him and Bill Wilson.
September 2 » The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
November 24 » The Senegalese Socialist Party holds its second congress.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I18481.php : accessed January 22, 2026), "Willemina Jansen (1910-)".
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