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.
September 13 » Hannibal Goodwin patents celluloid photographic film.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage November 13, 1922
The temperature on November 13, 1922 was between -1.9 °C and 0.6 °C and averaged -0.7 °C. There was 0.2 mm of rain. The average windspeed was 1 Bft (weak wind) and was prevailing from the east. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 28 » The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence.
April 5 » The American Birth Control League, forerunner of Planned Parenthood, is incorporated.
May 10 » The United States annexes the Kingman Reef.
June 29 » France grants 1km at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes".
October 31 » Benito Mussolini is made Prime Minister of Italy
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
Day of death May 17, 1972
The temperature on May 17, 1972 was between 5.1 °C and 9.4 °C and averaged 6.6 °C. There was 9.8 mm of rain during 15.1 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
January 13 » Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo of Ghana are ousted in a bloodless military coup by Colonel Ignatius Kutu Acheampong.
May 30 » The Angry Brigade goes on trial over a series of 25 bombings throughout the United Kingdom.
June 20 » Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.
June 29 » The United States Supreme Court rules in the case Furman v. Georgia that arbitrary and inconsistent imposition of the death penalty violates the Eighth and Fourteenth Amendments and constitutes cruel and unusual punishment.
September 30 » Roberto Clemente records the 3,000th and final hit of his career.
November 21 » Voters in South Korea overwhelmingly approve a new constitution, giving legitimacy to Park Chung-hee and the Fourth Republic.
Day of burial May 20, 1972
The temperature on May 20, 1972 was between 6.9 °C and 19.8 °C and averaged 13.2 °C. There was 12.7 hours of sunshine (80%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
January 10 » Sheikh Mujibur Rahman returns to the newly independent Bangladesh as president after spending over nine months in prison in Pakistan.
January 20 » Pakistan launched its nuclear weapons program, a few weeks after its defeat in the Bangladesh Liberation War, as well as the Indo-Pakistani War of 1971.
March 20 » The Troubles: The first Provisional IRA car bombing in Belfast kills seven people and injures 148 others in Northern Ireland.
August 3 » The United States Senate ratifies the Anti-Ballistic Missile Treaty.
August 16 » In an unsuccessful coup d'état attempt, the Royal Moroccan Air Force fires upon Hassan II of Morocco's plane while he is traveling back to Rabat.
October 29 » The three surviving perpetrators of the Munich massacre are released from prison in exchange for the hostages of hijacked Lufthansa Flight 615.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I303.php : accessed December 24, 2025), "Antonius Hendricus Opperman (1898-1972)".
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