January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
January 19 » Anglo-Egyptian Sudan is formed.
February 4 » The Philippine–American War begins with the Battle of Manila.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
Day of death March 18, 1989
The temperature on March 18, 1989 was between -2.8 °C and 8.9 °C and averaged 3.6 °C. There was 7.2 hours of sunshine (60%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
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.
July 5 » Iran–Contra affair: Oliver North is sentenced by U.S. District Judge Gerhard A. Gesell to a three-year suspended prison term, two years probation, $150,000 in fines and 1,200 hours community service. His convictions are later overturned.
October 15 » Eight of those convicted in the Rivonia Trial are released from prison.
October 17 » The 6.9 Mw Loma Prieta earthquake shakes the San Francisco Bay Area and the Central Coast, killing Sixty-three.
December 20 » The United States invasion of Panama deposes Manuel Noriega.
December 22 » Berlin's Brandenburg Gate re-opens after nearly 30 years, effectively ending the division of East and West Germany.
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/I80597.php : accessed February 14, 2026), "Trijntje de Boer (1899-1989)".
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