The temperature on June 11, 1912 was between 11.1 °C and 20.6 °C and averaged 16.3 °C. There was 10.5 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
April 14 » The British passenger liner RMSTitanic hits an iceberg in the North Atlantic at 23:40 (sinks morning of April 15th).
April 18 » The Cunard liner RMSCarpathia brings 705 survivors from the RMSTitanic to New York City.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
Day of death May 16, 1975
The temperature on May 16, 1975 was between 9.8 °C and 18.3 °C and averaged 13.9 °C. There was -0.1 mm of rain. There was 9.0 hours of sunshine (57%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
January 8 » Ella T. Grasso becomes Governor of Connecticut, the first woman to serve as a Governor in the United States other than by succeeding her husband.
April 30 » Fall of Saigon: Communist forces gain control of Saigon. The Vietnam War formally ends with the unconditional surrender of South Vietnamese president Dương Văn Minh.
August 15 » Bangladeshi leader Sheikh Mujibur Rahman is killed along with most members of his family during a military coup.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
September 16 » Cape Verde, Mozambique, and São Tomé and Príncipe join the United Nations.
November 28 » East Timor declares its independence from Portugal.
Day of burial May 21, 1975
The temperature on May 21, 1975 was between 6.6 °C and 13.6 °C and averaged 10.0 °C. There was 9.4 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
February 5 » Riots break in Lima, Peru after the police forces go on strike the day before. The uprising (locally known as the Limazo) is bloodily suppressed by the military dictatorship.
March 25 » Faisal of Saudi Arabia is shot and killed by a mentally ill nephew.
August 3 » A privately chartered Boeing 707 strikes a mountain peak and crashes near Agadir, Morocco, killing 188.
August 23 » The Pontiac Silverdome opens in Pontiac, Michigan, 30 miles (48km) northwest of Detroit, Michigan
November 25 » Suriname gains independence from the Netherlands.
When copying data from this family tree, please include a reference to the origin: Jo Consten, "Family tree Consten Koolen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-consten-koolen/I3012.php : accessed February 26, 2026), "Hendrik Spork (1912-1975)".
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