April 7 » Completion of the first Lake Biwa Canal.
July 10 » Wyoming is admitted as the 44th U.S. state.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
September 25 » The United States Congress establishes Sequoia National Park.
October 1 » Yosemite National Park is established by the U.S. Congress.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
Day of marriage November 9, 1912
The temperature on November 9, 1912 was between 6.6 °C and 10.6 °C and averaged 8.9 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
Day of death July 9, 1984
The temperature on July 9, 1984 was between 15.5 °C and 29.8 °C and averaged 21.4 °C. There was 12.5 mm of rain during 1.8 hours. There was 11.3 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 28 » Tropical Storm Domoina makes landfall in southern Mozambique, eventually causing 214 deaths and some of the most severe flooding so far recorded in the region.
February 10 » Kenyan soldiers kill an estimated 5000 ethnic Somali Kenyans in the Wagalla massacre.
June 22 » Virgin Atlantic launches with its first flight from London to Newark.
October 19 » A Roman Catholic priest, Jerzy Popiełuszko, associated with the Solidarity Union, is killed by three agents of the Polish Communist internal intelligence agency.
December 1 » NASA conducts the Controlled Impact Demonstration, wherein an airliner is deliberately crashed in order to test technologies and gather data to help improve survivability of crashes.
December 23 » After experiencing an engine fire, Aeroflot Flight 3519 attempts to make an emergency landing at Krasnoyarsk International Airport but crashes, killing 110 of the 111 people on board.
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/I2909.php : accessed January 22, 2026), "Tjibbe Wiersma (1890-1984)".
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