March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage March 28, 1923
The temperature on March 28, 1923 was between 5.0 °C and 16.5 °C and averaged 10.5 °C. There was 3.8 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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 15 » Greece becomes the last European country to adopt the Gregorian calendar.
February 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
October 13 » Ankara becomes the capital of Turkey.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
Day of death October 13, 1955
The temperature on October 13, 1955 was between 6.9 °C and 15.6 °C and averaged 12.0 °C. There was 0.2 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
June 26 » The South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown.
July 17 » Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
September 6 » Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.
November 15 » The first part of Saint Petersburg Metro is opened.
December 14 » Albania, Austria, Bulgaria, Cambodia, Ceylon, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania and Spain join the United Nations through United Nations Security Council Resolution 109.
When copying data from this family tree, please include a reference to the origin: P. W. van Maaren, "Family tree van Peter Barten landbouwer te Maarn (Maarn 1)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-peter-barten/I403.php : accessed February 1, 2026), "Gerrit van Maaren (1898-1955)".
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