April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of death November 21, 1968
The temperature on November 21, 1968 was between 2.7 °C and 7.6 °C and averaged 5.2 °C. The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 21 » Vietnam War: Battle of Khe Sanh: One of the most publicized and controversial battles of the war begins.
April 11 » Assassination attempt on Rudi Dutschke, leader of the German student movement.
June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
July 1 » The United States Central Intelligence Agency's Phoenix Program is officially established.
October 12 » Equatorial Guinea becomes independent from Spain.
November 11 » Vietnam War: Operation Commando Hunt initiated. The goal is to interdict men and supplies on the Ho Chi Minh trail, through Laos into South Vietnam.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I78381.php : accessed January 6, 2026), "Cornelis Wilhelmus Koolen (1902-1968)".
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