March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
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.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
August 25 » Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece.
September 13 » Hannibal Goodwin patents celluloid photographic film.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of death April 20, 1975
The temperature on April 20, 1975 was between 2.7 °C and 14.6 °C and averaged 9.4 °C. There was -0.1 mm of rain. There was 8.5 hours of sunshine (60%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
April 8 » Frank Robinson manages the Cleveland Indians in his first game as major league baseball's first African American manager.
April 28 » General Cao Văn Viên, chief of the South Vietnamese military, departs for the US as the North Vietnamese Army closed in on victory.
May 6 » During a lull in fighting, 100,000 Armenians gather in Beirut for the 60th anniversary commemorations of the Armenian Genocide.
June 26 » Two FBI agents and a member of the American Indian Movement are killed in a shootout on the Pine Ridge Indian Reservation in South Dakota; Leonard Peltier is later convicted of the murders in a controversial trial.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
November 25 » Suriname gains independence from the Netherlands.
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/I295742.php : accessed March 15, 2026), "Petrus Josephus Maria Spapens (1898-1975)".
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