The temperature on April 18, 1910 was between 5.5 °C and 13.9 °C and averaged 10.3 °C. There was 8.8 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 31 » The South Africa Act comes into force, establishing the Union of South Africa.
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 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
Day of death May 16, 1991
The temperature on May 16, 1991 was between 3.9 °C and 11.3 °C and averaged 7.5 °C. There was 1.0 mm of rain during 1.1 hours. There was 6.5 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 26 » 55 tornadoes break out in the central United States. Before the outbreak's end, Andover, Kansas, would record the year's only F5 tornado.
June 12 » Kokkadichcholai massacre: The Sri Lankan Army massacres 152 minority Tamil civilians in the village of Kokkadichcholai near the eastern province town of Batticaloa.
August 21 » Coup attempt against Mikhail Gorbachev collapses.
August 25 » Linus Torvalds announces the first version of what will become Linux.
August 30 » Dissolution of the Soviet Union: Azerbaijan declares independence from Soviet Union.
September 19 » Ötzi the Iceman is discovered in the Alps on the border between Italy and Austria.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I5537.php : accessed February 4, 2026), "Hijlkje Vlieg (1910-1991)".
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