The temperature on January 8, 1911 was between -0.8 °C and 3.5 °C and averaged 1.6 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage November 26, 1932
The temperature on November 26, 1932 was between 8.9 °C and 11.4 °C and averaged 9.8 °C. There was 0.8 mm of rain during 1.1 hours. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. 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 » The Empire of Japan creates the independent state of Manzhouguo (the obsolete Chinese name for Manchuria) free from the Republic of China and installed former Chinese Emperor Aisin Gioro Puyi as Chief Executive of the State.
May 21 » Bad weather forces Amelia Earhart to land in a pasture in Derry, Northern Ireland, and she thereby becomes the first woman to fly solo across the Atlantic Ocean.
August 2 » The positron (antiparticle of the electron) is discovered by Carl D. Anderson.
November 3 » Panagis Tsaldaris becomes the 142nd Prime Minister of Greece.
November 24 » In Washington, D.C., the FBI Scientific Crime Detection Laboratory (better known as the FBI Crime Lab) officially opens.
December 10 » Thailand becomes a constitutional monarchy.
Day of death February 18, 1986
The temperature on February 18, 1986 was between -6.6 °C and -0.6 °C and averaged -2.9 °C. There was -0.1 mm of rain. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 19 » The first IBM PC computer virus is released into the wild. A boot sector virus dubbed (c)Brain, it was created by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
January 25 » The National Resistance Movement topples the government of Tito Okello in Uganda.
April 1 » Communist Party of Nepal (Mashal) cadres attack a number of police stations in Kathmandu, seeking to incite a popular rebellion.
May 2 » Chernobyl disaster: The City of Chernobyl is evacuated six days after the disaster.
May 3 » Twenty-one people are killed and forty-one are injured after a bomb explodes on Air Lanka Flight 512 at Colombo airport in Sri Lanka.
August 31 » Aeroméxico Flight 498 collides with a Piper PA-28 Cherokee over Cerritos, California, killing 67 in the air and 15 on the ground.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I17728.php : accessed February 18, 2026), "Jantje Hoeksema (1911-1986)".
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