The temperature on June 16, 1911 was between 4.2 °C and 19.1 °C and averaged 13.0 °C. There was 9.4 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of death October 20, 1959
The temperature on October 20, 1959 was between 5.2 °C and 15.3 °C and averaged 9.8 °C. There was 0.8 mm of rain during 0.3 hours. There was 5.2 hours of sunshine (50%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
June 9 » The USSGeorge Washington is launched. It is the first nuclear-powered ballistic missile submarine.
July 7 » Venus occults the star Regulus. This rare event is used to determine the diameter of Venus and the structure of the Venusian atmosphere.
July 21 » Elijah Jerry "Pumpsie" Green becomes the first African-American to play for the Boston Red Sox, the last team to integrate. He came in as a pinch runner for Vic Wertz and stayed in as shortstop in a 2–1 loss to the Chicago White Sox.
July 21 » NSSavannah, the first nuclear-powered cargo-passenger ship, is launched as a showcase for Dwight D. Eisenhower's "Atoms for Peace" initiative.
August 17 » Quake Lake is formed by the magnitude 7.5 1959 Hebgen Lake earthquake near Hebgen Lake in Montana.
September 12 » The Soviet Union launches a large rocket, Lunik II, at the moon.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I550510.php : accessed March 13, 2026), "Petronella Maria Johanna Kolsteren (1911-1959)".
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