The temperature on June 26, 1915 was between 10.5 °C and 20.4 °C and averaged 16.4 °C. There was 1.0 mm of rain. There was 6.1 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of marriage September 29, 1937
The temperature on September 29, 1937 was between 5.5 °C and 17.2 °C and averaged 11.7 °C. There was 6.7 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
Day of death June 22, 1969
The temperature on June 22, 1969 was between 8.6 °C and 20.1 °C and averaged 14.9 °C. There was 7.5 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
April 17 » Communist Party of Czechoslovakia chairman Alexander Dubček is deposed.
May 18 » Apollo program: Apollo 10 is launched.
July 20 » A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War".
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
November 3 » Vietnam War: U.S. President Richard M. Nixon addresses the nation on television and radio, asking the "silent majority" to join him in solidarity on the Vietnam War effort and to support his policies.
December 9 » U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
When copying data from this family tree, please include a reference to the origin: Hans van Beek, "Family tree Van Beek", database, Genealogy Online (https://www.genealogieonline.nl/van-beek_stamboom/I500070.php : accessed January 30, 2026), "Nicolaas (Klaas) Korthoff (1915-1969)".
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