January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of death May 10, 1978
The temperature on May 10, 1978 was between 5.6 °C and 14.7 °C and averaged 9.3 °C. There was 8.2 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
March 2 » Czech Vladimír Remek becomes the first non-Russian or non-American to go into space, when he is launched aboard Soyuz 28.
May 8 » The first ascent of Mount Everest without supplemental oxygen, by Reinhold Messner and Peter Habeler.
July 11 » Los Alfaques disaster: A truck carrying liquid gas crashes and explodes at a coastal campsite in Tarragona, Spain killing 216 tourists.
September 7 » While walking across Waterloo Bridge in London, Bulgarian dissident Georgi Markov is assassinated by Bulgarian secret police agent Francesco Gullino by means of a ricin pellet fired from a specially-designed umbrella.
October 16 » Pope John Paul II becomes the first non-Italian pontiff since 1523.
November 27 » In San Francisco, city mayor George Moscone and openly gay city supervisor Harvey Milk are assassinated by former supervisor Dan White.
When copying data from this family tree, please include a reference to the origin: Maartje Prins, "Family tree Jansen", database, Genealogy Online (https://www.genealogieonline.nl/jansen-stamboom/I6.php : accessed January 19, 2026), "Klaasje Bos (1901-1978)".
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