February 9 » The Davis Cup competition is established.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage January 2, 1930
The temperature on January 2, 1930 was between 3.7 °C and 9.8 °C and averaged 7.7 °C. There was 3.0 mm of rain during 1.8 hours. The average windspeed was 6 Bft (strong wind) and was prevailing from the west. 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.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
June 17 » U.S. President Herbert Hoover signs the Smoot–Hawley Tariff Act into law.
June 21 » One-year conscription comes into force in France.
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.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
When copying data from this family tree, please include a reference to the origin: Jan Werkman, "Family tree Jan Werkman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jan-werkman/I40322.php : accessed June 8, 2024), "Klaas Eije Dijkhuis (1900-)".
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