May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
July 28 » The city of Miami, Florida is incorporated.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death September 1, 1980
The temperature on September 1, 1980 was between 8.9 °C and 20.1 °C and averaged 14.1 °C. There was 9.7 hours of sunshine (71%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
May 17 » On the eve of presidential elections, Maoist guerrilla group Shining Path attacks a polling location in Chuschi (a town in Ayacucho), starting the Internal conflict in Peru.
July 29 » Iran adopts a new "holy" flag after the Islamic Revolution.
August 25 » Zimbabwe joins the United Nations.
August 26 » After John Birges plants a bomb at Harvey's Resort Hotel in Stateline, Nevada, in the United States, the FBI inadvertently detonates the bomb during its disarming.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
September 23 » Bob Marley plays what would be the last concert of his life in Pittsburgh, Pennsylvania.
When copying data from this family tree, please include a reference to the origin: Frans Geentjens, "Family tree Theodorus Geentkens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-geentkens/I360.php : accessed December 31, 2025), "Carolina Paulina Geentjens (1896-1980)".
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