February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of marriage August 31, 1921
The temperature on August 31, 1921 was between 4.9 °C and 20.3 °C and averaged 13.2 °C. There was 9.2 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 26 » The Chicago Theatre opens.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
Day of death May 30, 1981
The temperature on May 30, 1981 was between 12.8 °C and 20.9 °C and averaged 16.6 °C. There was -0.1 mm of rain. There was 7.3 hours of sunshine (45%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. 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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 1 » Greece is admitted into the European Community.
January 8 » A local farmer reports a UFO sighting in Trans-en-Provence, France, claimed to be "perhaps the most completely and carefully documented sighting of all time".
May 21 » The Italian government releases the membership list of Propaganda Due, an illegal pseudo-Masonic lodge that was implicated in numerous Italian crimes and mysteries.
July 29 » A worldwide television audience of over 700million people watch the wedding of Charles, Prince of Wales, and Lady Diana Spencer at St Paul's Cathedral in London.
August 1 » MTV begins broadcasting in the United States and airs its first video, "Video Killed the Radio Star" by The Buggles.
October 14 » Vice President Hosni Mubarak is elected as the President of Egypt, one week after the assassination of Anwar Sadat.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I1074.php : accessed March 11, 2026), "Aafje Holman (1897-1981)".
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