The temperature on December 9, 1910 was between 4.6 °C and 10.5 °C and averaged 7.4 °C. There was 0.9 mm of rain. There was 5.8 hours of sunshine (74%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
September 26 » Indian journalist Swadeshabhimani Ramakrishna Pillai is arrested after publishing criticism of the government of Travancore and is exiled.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
Day of marriage May 14, 1935
The temperature on May 14, 1935 was between 1.9 °C and 7.4 °C and averaged 5.2 °C. There was 5.8 mm of rain during 10.3 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 13 » A jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.
April 1 » India's central banking institution, The Reserve Bank of India, is formed.
September 17 » The Niagara Gorge Railroad ceases operations after a rockslide.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
Day of death September 9, 1999
The temperature on September 9, 1999 was between 12.7 °C and 24.5 °C and averaged 18.1 °C. There was 4.8 hours of sunshine (37%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 1 » Euro currency is introduced in 11 member nations of the European Union (with the exception of the United Kingdom, Denmark, Greece and Sweden; Greece later adopts the euro).
January 3 » The Mars Polar Lander is launched by NASA.
March 24 » A lorry carrying margarine and flour catches fire inside the Mont Blanc Tunnel. The resulting inferno kills 38 people.
June 12 » Kosovo War: Operation Joint Guardian begins when a NATO-led United Nations peacekeeping force (KFor) enters the province of Kosovo in Federal Republic of Yugoslavia.
August 2 » The Gaisal train disaster claims 285 lives in Assam, India.
November 26 » The 7.5 Mw Ambrym earthquake shakes Vanuatu and a destructive tsunami follows. Ten people were killed and forty were injured.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I1765.php : accessed February 22, 2026), "Derk Sander (1910-1999)".
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