March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of marriage December 9, 1949
The temperature on December 9, 1949 was between -0.2 °C and 5.3 °C and averaged 2.9 °C. There was 2.8 mm of rain during 1.0 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
May 20 » In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 29 » Soviet atomic bomb project: The Soviet Union tests its first atomic bomb, known as First Lightning or Joe 1, at Semipalatinsk, Kazakhstan.
December 2 » Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others is adopted.
December 4 » Sir Duncan George Stewart was fatally stabbed by Rosli Dhobi, a member leader of the Rukun 13, in Sibu, Sarawak, Malaysia during the British crown colony era in that state.
December 13 » The Knesset votes to move the capital of Israel to Jerusalem.
Day of death March 20, 1954
The temperature on March 20, 1954 was between 7.3 °C and 13.4 °C and averaged 9.8 °C. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 7 » Georgetown-IBM experiment: The first public demonstration of a machine translation system is held in New York at the head office of IBM.
March 9 » McCarthyism: CBS television broadcasts the See It Now episode, "A Report on Senator Joseph McCarthy", produced by Fred Friendly.
May 7 » Indochina War: The Battle of Dien Bien Phu ends in a French defeat and a Viet Minh victory (the battle began on March 13).
September 9 » The 6.7 Mw Chlef earthquake shakes northern Algeria with a maximum Mercalli intensity of XI (Extreme). At least 1,243 people were killed and 5,000 were injured.
September 11 » Hurricane Edna hits New England as a Category 2 hurricane, causing significant damage and 29 deaths.
September 17 » The novel Lord of the Flies by William Golding is first published.
When copying data from this family tree, please include a reference to the origin: Christophe, "Arbre Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/arbre-chatelain/I0003.php : accessed October 16, 2026), "Marcel Maurice MATTENET (1899-1954)".
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