February 15 » The battleship USSMaine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
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.
January 26 » Egypt–Israel relations are formally established.
February 26 » Egypt and Israel establish full diplomatic relations.
February 28 » Andalusia approves its statute of autonomy through a referendum.
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.
May 18 » Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
July 7 » Institution of sharia law in Iran.
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.
January 29 » The Rubik's Cube makes its international debut at the Ideal Toy Corp. in Earl's Court, London.
May 8 » The World Health Organization confirms the eradication of smallpox.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
September 11 » A new constitution of Chile is established under the influence of then Chilean dictator Augusto Pinochet, which is subject to controversy in Chile today.
October 2 » Michael Myers becomes the first member of either chamber of Congress to be expelled since the Civil War.
October 9 » Pope John Paul II greets the Dalai Lama during a private audience in Vatican City.
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 February 25, 2026), "Onno de Boer (1898-1980)".
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