The temperature on August 15, 1909 was between 15.5 °C and 23.4 °C and averaged 18.4 °C. There was 5.3 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
April 11 » The city of Tel Aviv is founded.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of death July 15, 1978
The temperature on July 15, 1978 was between 7.4 °C and 15.6 °C and averaged 12.1 °C. There was -0.1 mm of rain. There was 0.8 hours of sunshine (5%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
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.
January 13 » United States Food and Drug Administration requires all blood donations to be labeled "paid" or "volunteer" donors.
June 21 » The original production of Tim Rice and Andrew Lloyd Webber's musical, Evita, based on the life of Eva Perón, opens at the Prince Edward Theatre, London.
June 25 » The rainbow flag representing gay pride is flown for the first time during the San Francisco Gay Freedom Day Parade.
July 30 » The 730: Okinawa Prefecture changes its traffic on the right-hand side of the road to the left-hand side.
September 8 » Black Friday, a massacre by soldiers against protesters in Tehran, results in 700–3000 deaths, it marks the beginning of the end of the monarchy in Iran.
October 21 » Australian civilian pilot Frederick Valentich vanishes over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I267547.php : accessed January 19, 2026), "Johannes Oomens (1909-1978)".
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