February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
Day of death July 23, 1991
The temperature on July 23, 1991 was between 12.4 °C and 27.0 °C and averaged 20.9 °C. There was 11.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
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.
January 17 » Gulf War: Operation Desert Storm begins early in the morning as aircraft strike positions across Iraq, it is also the first major combat sortie for the F-117. LCDR Scott Speicher's F/A-18C Hornet from VFA-81 is shot down by a Mig-25 and is the first American casualty of the War. Iraq fires eight Scud missiles into Israel in an unsuccessful bid to provoke Israeli retaliation.
March 2 » Battle at Rumaila oil field brings an end to the 1991 Gulf War.
March 26 » Argentina, Brazil, Uruguay and Paraguay sign the Treaty of Asunción, establishing Mercosur, the South Common Market.
August 29 » Libero Grassi, an Italian businessman from Palermo, is killed by the Sicilian Mafia after taking a solitary stand against their extortion demands.
September 22 » The Dead Sea Scrolls are made available to the public for the first time.
October 5 » An Indonesian Air Force C-130 crash kills 135 people.
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/I132941.php : accessed February 12, 2026), "Clara Koop (1903-1991)".
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