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 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
Day of death December 23, 1956
The temperature on December 23, 1956 was between -2.7 °C and 3.8 °C and averaged 1.2 °C. There was 5.9 hours of sunshine (76%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 4 » The Greek National Radical Union is formed by Konstantinos Karamanlis.
January 28 » Elvis Presley makes his first national television appearance.
October 15 » FORTRAN, the first modern computer language, is first shared with the coding community.
November 7 » Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to immediately withdraw their troops from Egypt.
December 4 » The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
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The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Rob van Willigen, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-willigen/I7569.php : accessed February 5, 2026), "Lena Leenheer (1878-1956)".
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