February 20 » The legislature of Hawaii Territory convenes for the first time.
March 1 » The Australian Army is formed.
April 25 » New York becomes the first U.S. state to require automobile license plates.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage January 8, 1930
The temperature on January 8, 1930 was between -0.3 °C and 6.1 °C and averaged 4.0 °C. There was 1.0 mm of rain during 2.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
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."
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
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/I8034.php : accessed March 6, 2026), "Hendrikje Rouwenhorst (1901-)".
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