The temperature on May 18, 1910 was between 12.9 °C and 19.3 °C and averaged 15.7 °C. There was 5.1 mm of rain. There was 3.2 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
Day of marriage August 20, 1930
The temperature on August 20, 1930 was between 7.4 °C and 21.0 °C and averaged 15.1 °C. There was 10.6 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) 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 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
April 28 » The Independence Producers hosted the first night game in the history of Organized Baseball in Independence, Kansas.
June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
Day of death December 20, 1967
The temperature on December 20, 1967 was between -4.0 °C and 4.8 °C and averaged -0.2 °C. There was 0.1 mm of rain. There was 5.7 hours of sunshine (74%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 10 » The 25th Amendment to the United States Constitution is ratified.
April 21 » A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years.
April 29 » After refusing induction into the United States Army the previous day, Muhammad Ali is stripped of his boxing title.
May 27 » The U.S. Navy aircraft carrier USSJohn F. Kennedy is launched by Jacqueline Kennedy and her daughter Caroline.
July 1 » Merger Treaty: The European Community is formally created out of a merger with the Common Market, the European Coal and Steel Community, and the European Atomic Energy Commission.
November 11 » Vietnam War: In a propaganda ceremony in Phnom Penh, Cambodia, three American prisoners of war are released by the Viet Cong and turned over to "new left" antiwar activist Tom Hayden.
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The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Rob van Willigen, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-willigen/I2663.php : accessed January 22, 2026), "Nicolaas den Dekker (1910-1967)".
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