February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
March 1 » The Australian Army is formed.
July 24 » O. Henry is released from prison in Columbus, Ohio, after serving three years for embezzlement from a bank.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
November 8 » Gospel riots: Bloody clashes take place in Athens following the translation of the Gospels into demotic Greek.
Day of marriage July 1, 1920
The temperature on July 1, 1920 was between 8.6 °C and 21.3 °C and averaged 15.5 °C. There was 0.5 mm of rain. There was 3.0 hours of sunshine (18%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
April 28 » Azerbaijan is added to the Soviet Union.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
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.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
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. van Dalen, "Family tree Van Dalen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-dalen/I3454.php : accessed March 4, 2026), "Willem Timmer (1901-)".
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