The temperature on February 20, 1910 was between 6.9 °C and 10.7 °C and averaged 9.0 °C. There was 0.1 mm of rain. There was 4.7 hours of sunshine (46%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage May 11, 1933
The temperature on May 11, 1933 was between 6.7 °C and 16.1 °C and averaged 10.3 °C. There was 2.3 mm of rain during 1.9 hours. There was 1.8 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) 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.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 3 » Adolf Hitler announces that the expansion of Lebensraum into Eastern Europe, and its ruthless Germanisation, are the ultimate geopolitical objectives of Third Reich foreign policy.
February 10 » In round 13 of a boxing match at New York City's Madison Square Garden, Primo Carnera knocks out Ernie Schaaf. Schaaf dies four days later.
March 4 » Frances Perkins becomes United States Secretary of Labor, the first female member of the United States Cabinet.
May 12 » The Agricultural Adjustment Act, which restricts agricultural production through government purchase of livestock for slaughter and paying subsidies to farmers when they remove land from planting, is signed into law by President Franklin D. Roosevelt.
October 12 » The military Alcatraz Citadel becomes the civilian Alcatraz Federal Penitentiary.
December 6 » U.S. federal judge John M. Woolsey rules that James Joyce's novel Ulysses is not obscene.
Day of death October 14, 1968
The temperature on October 14, 1968 was between 5.8 °C and 16.5 °C and averaged 11.5 °C. There was 7.9 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 12 » Mauritius achieves independence from the United Kingdom.
March 18 » Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency.
September 15 » The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
October 11 » NASA launches Apollo 7, the first successful manned Apollo mission.
December 16 » Second Vatican Council: Official revocation of the Edict of Expulsion of Jews from Spain.
December 24 » Apollo program: The crew of Apollo 8 enters into orbit around the Moon, becoming the first humans to do so. They performed ten lunar orbits and broadcast live TV pictures.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I26989.php : accessed February 20, 2026), "Klaske Postma (1910-1968)".
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