January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
March 6 » Bayer registers "Aspirin" as a trademark.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
July 29 » The First Hague Convention is signed.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of death January 23, 1987
The temperature on January 23, 1987 was between 1.2 °C and 5.7 °C and averaged 3.9 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
April 18 » The New York Islanders defeat the Washington Capitals 3–2 in Game 7 of their Patrick Division Semifinal series.
May 5 » Iran–Contra affair: Start of Congressional televised hearings in the United States of America
May 9 » LOT Flight 5055 Tadeusz Kościuszko crashes after takeoff in Warsaw, Poland, killing all 183 people on board.
June 28 » For the first time in military history, a civilian population is targeted for chemical attack when Iraqi warplanes bombed the Iranian town of Sardasht.
July 24 » Hulda Crooks, at 91 years of age, climbed Mt. Fuji. Crooks became the oldest person to climb Japan's highest peak.
September 3 » In a coup d'état in Burundi, President Jean-Baptiste Bagaza is deposed by Major Pierre Buyoya.
When copying data from this family tree, please include a reference to the origin: Iris Siegerist, "Family tree Siegerist", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-siegerist/R192.php : accessed January 29, 2026), "Esther Maria Negenman (1899-1987)".
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