January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
July 8 » The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip.
August 25 » Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece.
October 18 » The United States takes possession of Puerto Rico from Spain.
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 4, 1980
The temperature on September 4, 1980 was between 10.1 °C and 18.8 °C and averaged 15.0 °C. There was -0.1 mm of rain. There was 1.3 hours of sunshine (10%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. 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.
February 25 » The government of Suriname is overthrown by a military coup led by Dési Bouterse.
May 14 » Salvadoran Civil War: the Sumpul River massacre occurs in Chalatenango, El Salvador.
July 1 » "O Canada" officially becomes the national anthem of Canada.
August 25 » Zimbabwe joins the United Nations.
September 17 » After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.
October 2 » Michael Myers becomes the first member of either chamber of Congress to be expelled since the Civil War.
Day of cremation September 9, 1980
The temperature on September 9, 1980 was between 9.3 °C and 17.6 °C and averaged 14.4 °C. There was 0.4 mm of rain during 0.5 hours. There was 7.8 hours of sunshine (59%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
February 25 » The government of Suriname is overthrown by a military coup led by Dési Bouterse.
February 26 » Egypt and Israel establish full diplomatic relations.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
October 10 » The Farabundo Martí National Liberation Front is founded in El Salvador.
December 8 » Former Beatle John Lennon is murdered in front of The Dakota in New York City.
December 11 » The Comprehensive Environmental Response, Compensation, and Liability Act (Superfund) is enacted by the U.S. Congress.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I474242.php : accessed January 3, 2026), "Onno de Boer (1898-1980)".
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