April 25 » Spanish–American War: The United States declares war on Spain.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
June 27 » The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
December 3 » The Duquesne Country and Athletic Club defeated an all-star collection of early football players 16–0, in what is considered to be the very first all-star game for professional American football.
Day of marriage March 31, 1921
The temperature on March 31, 1921 was between 5.0 °C and 12.4 °C and averaged 8.2 °C. There was 0.5 mm of rain. There was 1.4 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
Day of death July 6, 1979
The temperature on July 6, 1979 was between 10.2 °C and 21.5 °C and averaged 16.7 °C. There was 6.1 hours of sunshine (37%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. 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 7 » Pluto moves inside Neptune's orbit for the first time since either was discovered.
February 26 » The Superliner railcar enters revenue service with Amtrak.
May 30 » Downeast Flight 46 crashes on approach to Knox County Regional Airport in Rockland, Maine, killing 17.
September 22 » A bright flash, resembling the detonation of a nuclear weapon, is observed near the Prince Edward Islands. Its cause is never determined.
October 6 » Pope John Paul II becomes the first pontiff to visit the White House.
November 20 » Grand Mosque seizure: About 200 Sunni Muslims revolt in Saudi Arabia at the site of the Kaaba in Mecca during the pilgrimage and take about 6000 hostages. The Saudi government receives help from Pakistani special forces to put down the uprising.
When copying data from this family tree, please include a reference to the origin: aart van rumpt , "Family tree Van Rumpt", database, Genealogy Online (https://www.genealogieonline.nl/van-rumpt-stamboom/I48816.php : accessed February 22, 2026), "Pieternella van der Groef (1898-1979)".
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