The temperature on July 5, 1928 was between 8.4 °C and 22.3 °C and averaged 16.4 °C. There was 9.7 hours of sunshine (58%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 7 » A disastrous flood of the River Thames kills 14 people and causes extensive damage to much of riverside London.
April 12 » The Bremen, a German Junkers W 33 type aircraft, takes off for the first successful transatlantic aeroplane flight from east to west.
October 1 » The Soviet Union introduces its first five-year plan.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
Day of marriage November 14, 1952
The temperature on November 14, 1952 was between 0.1 °C and 6.1 °C and averaged 2.0 °C. There was 0.1 mm of rain. There was 3.9 hours of sunshine (44%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 21 » Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
May 2 » A De Havilland Comet makes the first jetliner flight with fare-paying passengers, from London to Johannesburg.
June 17 » Guatemala passes Decree 900, ordering the redistribution of uncultivated land.
September 1 » The Old Man and the Sea, the Pulitzer Prize-winning novel by Ernest Hemingway, is first published.
December 24 » First flight of Britain's Handley Page Victor strategic bomber.
Day of death April 22, 2001
The temperature on April 22, 2001 was between -2.2 °C and 12.5 °C and averaged 5.9 °C. There was 10.2 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
May 25 » Erik Weihenmayer becomes the first blind person to reach the summit of Mount Everest, in the Himalayas, with Dr. Sherman Bull.
June 28 » Slobodan Milošević is extradited to the ICTY in The Hague to stand trial.
August 10 » The 2001 Angola train attack occurred, causing 252 deaths.
September 27 » In Switzerland, a gunman shoots 18 citizens, killing 14 and then himself.
November 14 » A magnitude 7.8 earthquake strikes a remote part of the Tibetan plateau. It had the longest known surface rupture recorded on land (~400km) and is the best documented example of a supershear earthquake.
December 22 » Richard Reid attempts to destroy a passenger airliner by igniting explosives hidden in his shoes aboard American Airlines Flight 63.
When copying data from this family tree, please include a reference to the origin: Marion Spek, "Family tree Spek", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-spek/R1982.php : accessed January 30, 2026), "Pieter Burggraaf (1928-2001)".
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