February 27 » King George I of Greece survives an assassination attempt.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of marriage May 6, 1921
The temperature on May 6, 1921 was between -1.9 °C and 15.6 °C and averaged 9.4 °C. There was 3.2 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I406475.php : accessed March 6, 2026), "Ebeltje Hamminga (1898-????)".
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