The temperature on June 24, 1912 was between 9.4 °C and 20.1 °C and averaged 14.9 °C. There was 1.4 mm of rain. There was 7.3 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
Day of death January 1, 1989
The temperature on January 1, 1989 was between 5.5 °C and 8.6 °C and averaged 7.3 °C. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
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.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 12 » Sir Tim Berners-Lee submits his proposal to CERN for an information management system, which subsequently develops into the world wide web.
April 3 » The US Supreme Court upholds the jurisdictional rights of tribal courts under the Indian Child Welfare Act of 1978 in Mississippi Choctaw Band v. Holyfield.
November 7 » David Dinkins becomes the first African American to be elected Mayor of New York City.
November 7 » East German Prime Minister Willi Stoph, along with his entire cabinet, is forced to resign after huge anti-government protests.
December 25 » Romanian Revolution: Deposed President of Romania Nicolae Ceaușescu and his wife, Elena, are condemned to death and executed after a summary trial.
December 29 » Czech writer, philosopher and dissident Václav Havel is elected the first post-communist President of Czechoslovakia.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I537.php : accessed February 18, 2026), "Adrianus (Hadje) van Knippenberg (1912-1989)".
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