March 1 » Henri Becquerel discovers radioactive decay.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
July 28 » The city of Miami, Florida is incorporated.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage July 24, 1920
The temperature on July 24, 1920 was between 9.4 °C and 17.0 °C and averaged 14.2 °C. There was 7.7 mm of rain. There was 1.7 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
Day of death July 31, 1953
The temperature on July 31, 1953 was between 11.4 °C and 15.3 °C and averaged 13.4 °C. There was 13.1 mm of rain during 10.9 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
April 8 » Mau Mau leader Jomo Kenyatta is convicted by British Kenya's rulers.
May 25 » The first public television station in the United States officially begins broadcasting as KUHT from the campus of the University of Houston.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
September 13 » Nikita Khrushchev is appointed General Secretary of the Communist Party of the Soviet Union.
November 17 » The remaining human inhabitants of the Blasket Islands, Kerry, Ireland, are evacuated to the mainland.
When copying data from this family tree, please include a reference to the origin: Henk Hulzebos, "Family tree Hulzebos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hulzebos/I98.php : accessed February 14, 2026), "Siepko Smit (1896-1953)".
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