The temperature on April 14, 1952 was between 6.3 °C and 20.2 °C and averaged 14.0 °C. There was 11.7 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 15 » King George VI of the United Kingdom is buried in St George's Chapel, Windsor Castle.
April 15 » First flight of the Boeing B-52 Stratofortress.
July 3 » The SSUnited States sets sail on her maiden voyage to Southampton. During the voyage, the ship takes the Blue Riband away from the RMSQueen Mary.
July 7 » The ocean liner SSUnited States passes Bishop Rock on her maiden voyage, breaking the transatlantic speed record to become the fastest passenger ship in the world.
November 25 » Agatha Christie's murder-mystery play The Mousetrap opens at the Ambassadors Theatre in London. It will become the longest continuously-running play in history.
December 24 » First flight of Britain's Handley Page Victor strategic bomber.
Day of marriage July 21, 1977
The temperature on July 21, 1977 was between 10.0 °C and 20.0 °C and averaged 15.4 °C. There was -0.1 mm of rain. There was 4.6 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
January 18 » SFR Yugoslavia's Prime minister, Džemal Bijedić, his wife and six others are killed in a plane crash in Bosnia and Herzegovina.
March 2 » Libya becomes the Socialist People's Libyan Arab Jamahiriya as the General People's Congress adopted the "Declaration on the Establishment of the Authority of the People".
March 9 » The Hanafi Siege: In a thirty-nine-hour standoff, armed Hanafi Muslims seize three Washington, D.C., buildings.
March 27 » Tenerife airport disaster: Two Boeing 747 airliners collide on a foggy runway on Tenerife in the Canary Islands, killing 583 (all 248 on KLM and 335 on Pan Am). Sixty-one survived on the Pan Am flight. This is the deadliest aviation accident in history.
April 28 » The Red Army Faction trial ends, with Andreas Baader, Gudrun Ensslin and Jan-Carl Raspe found guilty of four counts of murder and more than 30 counts of attempted murder.
October 26 » Ali Maow Maalin, the last natural case of smallpox, develops a rash in Somalia. The World Health Organization and the Centers for Disease Control and Prevention consider this date to be the anniversary of the eradication of smallpox, the most spectacular success of vaccination.
When copying data from this family tree, please include a reference to the origin: Van Traa, "Family tree Van Traa", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-traa/I918.php : accessed February 16, 2026), "Rob Ashburner (1952-)".
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