The temperature on June 20, 1920 was between 9.3 °C and 23.7 °C and averaged 18.1 °C. There was 8.8 hours of sunshine (53%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
April 28 » Azerbaijan is added to the Soviet Union.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of death October 23, 1971
The temperature on October 23, 1971 was between 8.0 °C and 14.7 °C and averaged 11.8 °C. There was 0.2 mm of rain. There was -0.1 hours of sunshine (0%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 24 » The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed three days earlier. P.K. Mookiah Thevar is appointed as the new chairman.
February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
April 5 » In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
April 17 » The Provisional Government of Bangladesh is formed.
December 4 » The PNS Ghazi, a submarine belonging to the Pakistan Navy, sinks during the course of the Indo-Pakistani Naval War of 1971.
December 7 » The Battle of Sylhet is fought between the Pakistani military and the Mukti Bahini.
When copying data from this family tree, please include a reference to the origin: W.Th. Sluijtman, "Genealogy Ronteltap", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-ronteltap/I830.php : accessed February 5, 2026), "Adrianus Ronteltap (1920-1971)".
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