The temperature on March 7, 1927 was between 3.6 °C and 7.5 °C and averaged 5.5 °C. There was 4.6 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 1 » New Mexican oil legislation goes into effect, leading to the formal outbreak of the Cristero War.
January 9 » A fire at the Laurier Palace movie theatre in Montreal, Quebec, Canada, kills 78 children.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
August 7 » The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
Day of death April 25, 1964
The temperature on April 25, 1964 was between 6.3 °C and 10.1 °C and averaged 7.8 °C. There was 0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 11 » Brazilian Marshal Humberto de Alencar Castelo Branco is elected President by the National Congress.
April 21 » A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds (0.95kg) of radioactive plutonium in its SNAP RTG power source is widely dispersed.
June 10 » United States Senate breaks a 75-day filibuster against the Civil Rights Act of 1964, leading to the bill's passage.
November 2 » King Saud of Saudi Arabia is deposed by a family coup, and replaced by his half-brother Faisal.
November 21 » The Verrazano-Narrows Bridge opens to traffic. At the time it is the world's longest bridge span.
December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I16505.php : accessed January 23, 2026), "Jacob Gustaf Letterstedt Dreyer (1894-1964)".
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