The temperature on June 9, 1904 was between 5.0 °C and 21.3 °C and averaged 14.3 °C. There was 6.3 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
June 15 » A fire aboard the steamboat SSGeneral Slocum in New York City's East River kills 1,000.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
July 21 » Louis Rigolly, a Frenchman, becomes the first man to break the 100mph (161km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of marriage May 28, 1931
The temperature on May 28, 1931 was between 11.5 °C and 28.0 °C and averaged 17.6 °C. There was 0.4 mm of rain during 0.2 hours. There was 8.0 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
March 5 » The British Raj: Gandhi–Irwin Pact is signed.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
April 14 » The Spanish Cortes deposes King Alfonso XIII and proclaims the Second Spanish Republic.
August 24 » France and the Soviet Union sign a neutrality pact.
October 17 » Al Capone is convicted of income tax evasion.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
Day of death September 30, 1986
The temperature on September 30, 1986 was between 10.0 °C and 14.7 °C and averaged 13.0 °C. There was -0.1 mm of rain. The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. 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.
February 9 » Halley's Comet last appeared in the inner Solar System.
April 28 » High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
August 21 » Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.
September 6 » In Istanbul, two terrorists from Abu Nidal's organization kill 22 and wound six congregants inside the Neve Shalom Synagogue during Shabbat services.
October 19 » The president of Mozambique and a prominent leader of FRELIMO, along with 33 others, die when their aircraft crashes into the Lebombo Mountains.
December 19 » Mikhail Gorbachev, leader of the Soviet Union, releases Andrei Sakharov and his wife from exile in Gorky.
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/I114783.php : accessed December 29, 2025), "Ymke Merkus (1904-1986)".
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