The temperature on April 15, 1930 was between 5.0 °C and 11.2 °C and averaged 7.4 °C. There was 7.0 hours of sunshine (51%). The average windspeed was 6 Bft (strong wind) and was prevailing from the north-northwest. 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.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.
Day of death June 1, 2012
The temperature on June 1, 2012 was between 6.9 °C and 16.1 °C and averaged 12.7 °C. There was 0.1 mm of rain during 0.4 hours. There was 3.9 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Thursday, October 14, 2010 to Monday, November 5, 2012 the cabinet Rutte I, with Mark Rutte (VVD) as prime minister.
In The Netherlands , there was from Monday, November 5, 2012 to Thursday, October 26, 2017 the cabinet Rutte II, with Mark Rutte (VVD) as prime minister.
April 27 » At least four explosions hit the Ukrainian city of Dnipropetrovsk with at least 27 people injured.
May 10 » The Damascus bombings are carried out using a pair of car bombs detonated by suicide bombers outside of a military intelligence complex in Damascus, Syria, killing 55 people.
June 15 » Nik Wallenda becomes the first person to successfully tightrope walk directly over Niagara Falls.
August 10 » The Marikana massacre begins near Rustenburg, South Africa, resulting in the deaths of 47 people.
October 1 » A ferry collision off the coast of Hong Kong kills 38 people and injures 102 others.
December 11 » At least 125 people are killed and up to 200 injured in bombings in the Alawite village of Aqrab, Syria.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I6898.php : accessed January 25, 2026), "Ruth Knippenberg (1930-2012)".
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