The temperature on April 4, 1913 was between 4.4 °C and 15.0 °C and averaged 9.2 °C. There was 3.9 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
May 29 » Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, France, provoking a riot.
July 31 » The Balkan States sign an armistice in Bucharest.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
December 1 » Ford Motor Company introduces the first moving assembly line.
December 24 » The Italian Hall disaster in Calumet, Michigan results in the deaths of 73 Christmas party participants (including 59 children) when someone falsely yells "fire".
Day of marriage May 21, 1937
The temperature on May 21, 1937 was between 8.8 °C and 21.2 °C and averaged 15.5 °C. There was 5.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
Day of death March 30, 1997
The temperature on March 30, 1997 was between 3.6 °C and 13.8 °C and averaged 8.4 °C. There was 10.7 hours of sunshine (84%). The partly 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 Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
April 18 » The Red River flood begins and soon overwhelms the city of Grand Forks, North Dakota. Fire breaks out and spreads in downtown Grand Forks, but high water levels hamper efforts to reach the fire, leading to the destruction of 11 buildings.
April 29 » The Chemical Weapons Convention of 1993 enters into force, outlawing the production, stockpiling and use of chemical weapons by its signatories.
May 25 » A military coup in Sierra Leone replaces President Ahmad Tejan Kabbah with Major Johnny Paul Koroma.
June 10 » Before fleeing his northern stronghold, Khmer Rouge leader Pol Pot orders the killing of his defense chief Son Sen and 11 of Sen's family members.
September 26 » A Garuda Indonesia Airbus A300 crashes near Medan airport, killing 234.
November 10 » WorldCom and MCI Communications announce a $37 billion merger (the largest merger in US history at the time).
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/I135580.php : accessed October 19, 2026), "Durk Spoelstra (1913-1997)".
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