April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 17 » The United States Navy Hospital Corps is established.
June 21 » The United States captures Guam from Spain. The few warning shots fired by the U.S. naval vessels are misinterpreted as salutes by the Spanish garrison, which was unaware that the two nations were at war.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
September 13 » Hannibal Goodwin patents celluloid photographic film.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of death May 6, 1973
The temperature on May 6, 1973 was between 7.6 °C and 14.4 °C and averaged 11.4 °C. There was 1.4 mm of rain during 0.5 hours. There was 3.2 hours of sunshine (21%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
July 17 » King Mohammed Zahir Shah of Afghanistan, while having surgery in Italy, is deposed by his cousin Mohammed Daoud Khan.
July 21 » In Lillehammer, Norway, Mossad agents kill a waiter whom they mistakenly thought was involved in the 1972 Munich Olympics Massacre.
August 23 » A bank robbery gone wrong in Stockholm, Sweden, turns into a hostage crisis; over the next five days the hostages begin to sympathise with their captors, leading to the term "Stockholm syndrome".
September 28 » The ITT Building in New York City is bombed in protest at ITT's alleged involvement in the coup d'état in Chile.
October 8 » Spyros Markezinis begins his 48-day term as prime minister in an abortive attempt to lead Greece to parliamentary rule.
October 21 » Fred Dryer of the Los Angeles Rams becomes the first player in NFL history to score two safeties in the same game.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9810.php : accessed February 21, 2026), "Albertus Martinus Kapteijn (1898-1973)".
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