The temperature on June 30, 1909 was between 10.4 °C and 15.3 °C and averaged 12.5 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 2 » The Paris Film Congress opens. An attempt by European producers to form an equivalent to the MPCC cartel in the United States.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
Day of marriage March 15, 1930
The temperature on March 15, 1930 was between -0.6 °C and 9.0 °C and averaged 3.9 °C. There was 1.6 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 6 » The first diesel-powered automobile trip is completed, from Indianapolis, Indiana, to New York, New York.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
March 12 » Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
December 2 » Great Depression: In a State of the Union message, U.S. President Herbert Hoover proposes a $150 million (equivalent to $2,296,000,000 in 2019) public works program to help generate jobs and stimulate the economy.
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/I168730.php : accessed February 14, 2026), "Trijntje de Vries (1909-)".
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