The temperature on April 12, 1913 was between -1.6 °C and 6.5 °C and averaged 1.9 °C. There was 1.0 mm of rain. There was 9.3 hours of sunshine (68%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
February 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
March 12 » The future capital of Australia is officially named Canberra.
March 31 » The Vienna Concert Society rioted during a performance of modernist music by Arnold Schoenberg, Alban Berg, Alexander von Zemlinsky, and Anton von Webern, causing a premature end to the concert due to violence; this concert became known as the Skandalkonzert.
August 13 » First production in the UK of stainless steel by Harry Brearley.
September 23 » Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).
Day of marriage April 25, 1931
The temperature on April 25, 1931 was between 7.5 °C and 14.4 °C and averaged 10.0 °C. There was 5.5 mm of rain during 4.3 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
March 11 » Ready for Labour and Defence of the USSR, abbreviated as GTO, is introduced in the Soviet Union.
March 31 » An earthquake in Nicaragua destroys Managua; killing 2,000.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
August 24 » France and the Soviet Union sign a neutrality pact.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death January 27, 1986
The temperature on January 27, 1986 was between -5.3 °C and -0.1 °C and averaged -2.3 °C. There was -0.1 mm of rain. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 24 » The Loscoe gas explosion leads to new UK laws on landfill gas migration and gas protection on landfill sites.
June 14 » The Mindbender derails and kills three riders at the Fantasyland (known today as Galaxyland) indoor amusement park in Edmonton, Alberta.
June 22 » The famous Hand of God goal, scored by Diego Maradona in the quarter-finals of the 1986 FIFA World Cup match between Argentina and England, ignites controversy. This was later followed by the Goal of the Century. Argentina wins 2–1 and later goes on to win the World Cup.
September 7 » Desmond Tutu becomes the first black man to lead the Anglican Diocese of Cape Town.
October 27 » The British government suddenly deregulates financial markets, leading to a total restructuring of the way in which they operate in the country, in an event now referred to as the Big Bang.
November 5 » USSRentz, USSReeves and USSOldendorf visit Qingdao (Tsing Tao) China – the first US Naval visit to China since 1949.
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/I116797.php : accessed December 30, 2025), "Jantje Helder (1913-1986)".
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