January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Cadillac Motor Company is founded.
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 March 21, 1968
The temperature on March 21, 1968 was between 1.4 °C and 9.5 °C and averaged 6.1 °C. There was 3.8 mm of rain during 4.9 hours. There was 0.1 hours of sunshine (1%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 30 » Vietnam War: Tet Offensive launch by forces of the Viet Cong and North Vietnamese Army against South Vietnam, the United States, and their allies.
February 12 » Phong Nhị and Phong Nhất massacre.
April 3 » Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech. He was assassinated the next day.
April 6 » Pierre Elliott Trudeau wins the Liberal Leadership Election, and becomes Prime Minister of Canada soon after.
May 26 » H-dagurinn in Iceland: Traffic changes from driving on the left to driving on the right overnight
October 11 » NASA launches Apollo 7, the first successful manned Apollo mission.
When copying data from this family tree, please include a reference to the origin: Peter Hjort, "Hjort family tree", database, Genealogy Online (https://www.genealogieonline.nl/hjort-family-tree/I1555.php : accessed May 9, 2025), "Petrea Dorthea S²rensen (1902-1968)".
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