January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
November 10 » Beginning of the Wilmington insurrection of 1898, the only instance of a municipal government being overthrown in United States history.
Day of death September 23, 1980
The temperature on September 23, 1980 was between 9.9 °C and 20.9 °C and averaged 14.7 °C. There was 0.1 mm of rain. There was 5.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 21 » Iran Air Flight 291 crashes in the Alborz Mountains while on approach to Mehrabad International Airport in Tehran, Iran, killing 128 people.
March 4 » Nationalist leader Robert Mugabe wins a sweeping election victory to become Zimbabwe's first black prime minister.
May 18 » Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
July 7 » Institution of sharia law in Iran.
July 29 » Iran adopts a new "holy" flag after the Islamic Revolution.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I14895.php : accessed October 19, 2026), "Elisa van Geyt (1898-1980)".
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