Erfgoed Leiden eo: 81/82. supplement XX A. (1 - 473), archiefnummer 0516, Archief van het algemeen en dagelijks bestuur, (1545) 1816-1929 (1963); Bevolkingsboekhouding, inventarisnummer 1381, blad 112 Gemeente Leiden
The temperature on July 11, 1923 was between 19.0 °C and 33.1 °C and averaged 25.8 °C. There was 13.0 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
June 9 » Bulgaria's military takes over the government in a coup.
August 18 » First British Track and Field championships for women, London.
August 23 » Captain Lowell Smith and Lieutenant John P. Richter performed the first mid-air refueling on De Havilland DH-4B, setting an endurance flight record of 37 hours.
September 8 » Honda Point disaster: Nine US Navy destroyers run aground off the California coast. Seven are lost, and twenty-three sailors killed.
November 8 » Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government.
Day of marriage May 19, 1949
The temperature on May 19, 1949 was between 4.5 °C and 20.0 °C and averaged 13.8 °C. There was 10.1 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 20 » Point Four Program a program for economic aid to poor countries announced by United States President Harry S. Truman in his inaugural address for a full term as President.
June 14 » Albert II, a rhesus monkey, rides a V-2 rocket to an altitude of 134km (83mi), thereby becoming the first monkey in space.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 5 » In Ecuador, an earthquake destroys 50 towns and kills more than 6,000.
November 7 » The first oil was taken in Oil Rocks (Neft Daşları), oldest offshore oil platform.
December 2 » Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others is adopted.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I171295.php : accessed February 21, 2026), "Pieternella Maria Kolderman (1923-2004)".
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