The temperature on June 15, 1920 was between 11.0 °C and 23.5 °C and averaged 18.0 °C. There was 12.2 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
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.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
When copying data from this family tree, please include a reference to the origin: H. Panjer, "Family tree Panjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_panjer/I7387.php : accessed January 5, 2026), "Zwaantje Rotmans (± 1853-1920)".
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