April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage May 15, 1928
The temperature on May 15, 1928 was between 3.7 °C and 12.8 °C and averaged 8.0 °C. There was 2.2 mm of rain. There was 5.3 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
March 12 » In California, the St. Francis Dam fails; the resulting floods kill 431 people.
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
September 27 » The Republic of China is recognized by the United States.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
November 22 » The premier performance of Ravel's Boléro takes place in Paris.
Day of death April 20, 1965
The temperature on April 20, 1965 was between 0.7 °C and 12.0 °C and averaged 6.4 °C. There was 1.9 mm of rain during 1.0 hours. There was 3.8 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 2 » The US and Republic of Vietnam Air Force begin Operation Rolling Thunder, a sustained bombing campaign against North Vietnam.
March 8 » Thirty-five hundred United States Marines are the first American land combat forces committed during the Vietnam War.
March 25 » Civil rights activists led by Martin Luther King Jr. successfully complete their 4-day 50-mile march from Selma to the capitol in Montgomery, Alabama.
May 27 » Vietnam War: American warships begin the first bombardment of National Liberation Front targets within South Vietnam.
December 4 » Launch of Gemini 7 with crew members Frank Borman and Jim Lovell. The Gemini 7 spacecraft was the passive target for the first crewed space rendezvous performed by the crew of Gemini 6A.
December 16 » Vietnam War: General William Westmoreland sends U.S. Secretary of Defense Robert McNamara a request for 243,000 more men by the end of 1966.
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/I120768.php : accessed February 16, 2026), "Cornelis Theodorus de GROOT (1902-1965)".
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