The temperature on July 1, 1909 was between 9.5 °C and 17.6 °C and averaged 14.0 °C. There was 4.9 mm of rain. There was 1.5 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
Day of death May 31, 1977
The temperature on May 31, 1977 was between 4.9 °C and 16.8 °C and averaged 11.9 °C. There was 12.3 hours of sunshine (75%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 9 » The Hanafi Siege: In a thirty-nine-hour standoff, armed Hanafi Muslims seize three Washington, D.C., buildings.
March 24 » Morarji Desai became the Prime Minister of India, the first Prime Minister not to belong to Indian National Congress.
October 26 » Ali Maow Maalin, the last natural case of smallpox, develops a rash in Somalia. The World Health Organization and the Centers for Disease Control and Prevention consider this date to be the anniversary of the eradication of smallpox, the most spectacular success of vaccination.
November 8 » Manolis Andronikos, a Greek archaeologist and professor at the Aristotle University of Thessaloniki, discovers the tomb of Philip II of Macedon at Vergina.
November 19 » TAP Portugal Flight 425 crashes in the Madeira Islands, killing 131.
December 18 » United Airlines Flight 2860 crashes near Kaysville, Utah, killing all three crew members on board.
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/I5571.php : accessed January 26, 2026), "Gerrit van de Vlekkert (1909-1977)".
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