The temperature on September 30, 1921 was between 4.3 °C and 17.7 °C and averaged 10.7 °C. There was 10.0 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
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The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
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