January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
July 23 » The Ford Motor Company sells its first car.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
Day of marriage June 7, 1928
The temperature on June 7, 1928 was between 9.7 °C and 18.6 °C and averaged 14.2 °C. There was 7.6 mm of rain. There was 5.1 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
April 12 » The Bremen, a German Junkers W 33 type aircraft, takes off for the first successful transatlantic aeroplane flight from east to west.
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
September 17 » The Okeechobee hurricane strikes southeastern Florida, killing more than 2,500 people.
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
December 6 » The government of Colombia sends military forces to suppress a month-long strike by United Fruit Company workers, resulting in an unknown number of deaths.
Day of death March 12, 1970
The temperature on March 12, 1970 was between 1.0 °C and 6.2 °C and averaged 3.3 °C. There was 0.2 mm of rain during 0.9 hours. There was 1.5 hours of sunshine (13%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 12 » Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
October 9 » The Khmer Republic is proclaimed in Cambodia.
November 9 » Vietnam War: The Supreme Court of the United States votes 6–3 against hearing a case to allow Massachusetts to enforce its law granting residents the right to refuse military service in an undeclared war.
December 2 » The United States Environmental Protection Agency begins operations.
When copying data from this family tree, please include a reference to the origin: Tjitze Koster, "Family tree Koster Twijslerheide e.o.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster/I5569.php : accessed February 4, 2026), "Janke Wiersma (1903-1970)".
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