January 4 » Utah is admitted as the 45th U.S. state.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
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 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of death July 9, 1978
The temperature on July 9, 1978 was between 11.2 °C and 15.9 °C and averaged 13.0 °C. There was 0.2 mm of rain during 0.2 hours. There was 2.6 hours of sunshine (16%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
February 8 » Proceedings of the United States Senate are broadcast on radio for the first time.
March 9 » President Soeharto inaugurated Jagorawi Toll Road, the first toll highway in Indonesia, connecting Jakarta, Bogor and Ciawi, West Java.
September 7 » While walking across Waterloo Bridge in London, Bulgarian dissident Georgi Markov is assassinated by Bulgarian secret police agent Francesco Gullino by means of a ricin pellet fired from a specially-designed umbrella.
September 15 » Muhammad Ali outpointed Leon Spinks in a rematch to become the first boxer to win the world heavyweight title three times at the Superdome in New Orleans.
November 27 » The Kurdistan Workers' Party (PKK) is founded in the city of Riha (Urfa) in Turkey.
December 11 » The Lufthansa heist is committed by a group led by Lucchese family associate Jimmy Burke. It was the largest cash robbery ever committed on American soil, at that time.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I17747.php : accessed January 28, 2026), "Janna Maria Balkenende (1896-1978)".
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