The temperature on October 19, 1889 was about 6.9 °C. The air pressure was 18 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 88%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage May 21, 1910
The temperature on May 21, 1910 was between 12.8 °C and 26.9 °C and averaged 19.9 °C. There was 10.7 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
Day of death February 14, 1969
The temperature on February 14, 1969 was between -16.4 °C and -4.4 °C and averaged -10.1 °C. There was 7.5 hours of sunshine (76%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 16 » Czech student Jan Palach commits suicide by self-immolation in Prague, Czechoslovakia, in protest against the Soviets' crushing of the Prague Spring the year before.
February 4 » Yasser Arafat takes over as chairman of the Palestine Liberation Organization.
March 18 » The United States begins secretly bombing the Sihanouk Trail in Cambodia, used by communist forces to infiltrate South Vietnam.
April 5 » Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
July 16 » Apollo program: Apollo 11, the first mission to land astronauts on the Moon, is launched from the Kennedy Space Center at Cape Kennedy, Florida.
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.
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/I170572.php : accessed December 30, 2025), "Oene Veenstra (1889-1969)".
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