The temperature on September 15, 1910 was between 11.0 °C and 21.2 °C and averaged 15.9 °C. There was 7.9 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
Day of marriage December 14, 1938
The temperature on December 14, 1938 was between 4.4 °C and 8.3 °C and averaged 5.9 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 28 » The World Land Speed Record on a public road is broken by Rudolf Caracciola in the Mercedes-Benz W195 at a speed of 432.7 kilometres per hour (268.9mph).
March 3 » Oil is discovered in Saudi Arabia.
June 7 » The Douglas DC-4E makes its first test flight.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
August 18 » The Thousand Islands Bridge, connecting New York, United States with Ontario, Canada over the Saint Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt.
September 21 » The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500–700 people.
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/I136814.php : accessed February 18, 2026), "Petronella Klaziena Zwama (1910-)".
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