March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
June 14 » Hawaii becomes a United States territory.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
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 May 26, 1921
The temperature on May 26, 1921 was between 14.4 °C and 27.9 °C and averaged 18.9 °C. There was 5.0 mm of rain. There was 7.6 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) 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.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 27 » Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
Day of death September 5, 1967
The temperature on September 5, 1967 was between 11.8 °C and 15.1 °C and averaged 13.0 °C. There was 6.8 mm of rain during 6.4 hours. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 23 » Diplomatic relations between the Soviet Union and Ivory Coast are established.
April 4 » Martin Luther King Jr. delivers his "Beyond Vietnam: A Time to Break Silence" speech in New York City's Riverside Church.
April 27 » Expo 67 officially opens in Montreal, Quebec, Canada with a large opening ceremony broadcast around the world. It opens to the public the next day.
May 30 » The Nigerian Eastern Region declares independence as the Republic of Biafra, sparking a civil war.
November 9 » The first issue of Rolling Stone magazine is published.
December 17 » Harold Holt, Prime Minister of Australia, disappears while swimming near Portsea, Victoria, and is presumed drowned.
When copying data from this family tree, please include a reference to the origin: Lucas van Heeren, "Voornaeme Geslachte en Eenvoudige Luyde", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-schapekoppen/I217475.php : accessed May 25, 2024), "Cornelia KELLER (1900-1967)".
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