February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
July 4 » The Philippine–American War is officially concluded.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
Day of marriage October 15, 1927
The temperature on October 15, 1927 was between 2.6 °C and 10.7 °C and averaged 8.2 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
May 8 » Attempting to make the first non-stop transatlantic flight from Paris to New York, French war heroes Charles Nungesser and François Coli disappear after taking off aboard The White Bird biplane.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
September 5 » The first Oswald the Lucky Rabbit cartoon, Trolley Troubles, produced by Walt Disney, is released by Universal Pictures.
December 17 » Indian revolutionary Rajendra Lahiri is hanged in Gonda jail, Uttar Pradesh, India, two days before the scheduled date.
Day of death April 21, 1977
The temperature on April 21, 1977 was between 7.8 °C and 13.0 °C and averaged 10.6 °C. There was 1.1 mm of rain during 1.4 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
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.
March 9 » The Hanafi Siege: In a thirty-nine-hour standoff, armed Hanafi Muslims seize three Washington, D.C., buildings.
June 16 » Oracle Corporation is incorporated in Redwood Shores, California, as Software Development Laboratories (SDL), by Larry Ellison, Bob Miner and Ed Oates.
July 4 » The George Jackson Brigade plants a bomb at the main power substation for the Washington state capitol in Olympia, in solidarity with a prison strike at the Walla Walla State Penitentiary Intensive Security Unit.
September 13 » General Motors introduces Diesel engine, with Oldsmobile Diesel engine, in the Delta 88, Oldsmobile 98, and Oldsmobile Custom Cruiser models amongst others.
November 22 » British Airways inaugurates a regular London to New York City supersonic Concorde service.
December 5 » Egypt breaks diplomatic relations with Syria, Libya, Algeria, Iraq and South Yemen. The move is in retaliation for the Declaration of Tripoli against Egypt.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I211717.php : accessed December 30, 2025), "Klaas Jan de Blecourt (1903-1977)".
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