March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
July 3 » A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba.
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.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage April 9, 1921
The temperature on April 9, 1921 was between 3.8 °C and 16.6 °C and averaged 10.3 °C. There was 0.9 mm of rain. There was 6.2 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) 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.
January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 31 » The Royal Australian Air Force is formed.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
Day of death April 5, 1979
The temperature on April 5, 1979 was between 0.7 °C and 6.4 °C and averaged 3.9 °C. There was -0.1 mm of rain. There was 0.4 hours of sunshine (3%). The heavily clouded was. The average windspeed was 2 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.
March 16 » Sino-Vietnamese War: The People's Liberation Army crosses the border back into China, ends the war.
May 28 » Konstantinos Karamanlis signs the full treaty of the accession of Greece with the European Economic Community.
May 30 » Downeast Flight 46 crashes on approach to Knox County Regional Airport in Rockland, Maine, killing 17.
June 18 » SALT II is signed by the United States and the Soviet Union.
July 17 » Nicaraguan dictator General Anastasio Somoza Debayle resigns and flees to Miami, Florida, United States.
November 14 » Iran hostage crisis: US President Jimmy Carter issues Executive order 12170, freezing all Iranian assets in the United States in response to the hostage crisis.
When copying data from this family tree, please include a reference to the origin: Matthijs Roelfes, "Family tree Roelfes", database, Genealogy Online (https://www.genealogieonline.nl/roelfes-stamboom/I0018.php : accessed February 24, 2026), "Johan Hendrik Roelfes (1898-1979)".
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