January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
August 3 » The Firestone Tire and Rubber Company is founded.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage June 22, 1921
The temperature on June 22, 1921 was between 7.2 °C and 11.9 °C and averaged 9.9 °C. There was 0.9 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I155360.php : accessed February 20, 2026), "Willem Kuivenhoven (1900-)".
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