The temperature on April 30, 1912 was between 3.2 °C and 12.2 °C and averaged 8.0 °C. There was 8.4 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage October 13, 1949
The temperature on October 13, 1949 was between 6.1 °C and 19.8 °C and averaged 12.2 °C. There was 0.2 mm of rain. There was 7.3 hours of sunshine (67%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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 3 » The Bangko Sentral ng Pilipinas, the central bank of the Philippines, is established.
January 11 » The first "networked" television broadcasts took place as KDKA-TV in Pittsburgh, Pennsylvania goes on the air connecting the east coast and mid-west programming.
May 20 » In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 3 » The Basketball Association of America and the National Basketball League finalize the merger that would create the National Basketball Association.
August 10 » An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force, and replaces the National Military Establishment with the Department of Defense.
Day of death November 30, 2000
The temperature on November 30, 2000 was between 8.6 °C and 12.4 °C and averaged 10.6 °C. There was 5.9 hours of sunshine (72%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I3116.php : accessed February 20, 2026), "Everdina Johanna IJzerman (1912-2000)".
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