February 9 » The Davis Cup competition is established.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
November 7 » The People's Party is founded in Cuba.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage May 15, 1930
The temperature on May 15, 1930 was between 3.3 °C and 17.9 °C and averaged 12.2 °C. There was 0.1 mm of rain. There was 7.8 hours of sunshine (50%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 16 » The Romanian Football Federation joins FIFA.
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
August 16 » The first British Empire Games were opened in Hamilton, Ontario by the Governor General of Canada, the Viscount Willingdon.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
Day of death August 10, 1960
The temperature on August 10, 1960 was between 10.4 °C and 16.3 °C and averaged 13.9 °C. There was 13.1 mm of rain during 11.4 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 6 » The Associations Law comes into force in Iraq, allowing registration of political parties.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
September 2 » The first election of the Parliament of the Central Tibetan Administration, in history of Tibet. The Tibetan community observes this date as Democracy Day.
September 5 » Poet Léopold Sédar Senghor is the first elected President of Senegal.
September 14 » The Organization of Petroleum Exporting Countries (OPEC) is founded.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
When copying data from this family tree, please include a reference to the origin: R. Sevinga, "Genealogy Sevinga", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-johannes-zijlstra/I1037533022.php : accessed May 3, 2024), "Jarig Louws VLASMAN (1900-1960)".
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