March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death March 15, 1970
The temperature on March 15, 1970 was between -3.5 °C and 5.6 °C and averaged 1.2 °C. There was 0.2 mm of rain during 0.9 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 22 » The Boeing 747, the world's first "jumbo jet", enters commercial service for launch customer Pan American Airways with its maiden voyage from John F. Kennedy International Airport to London Heathrow Airport.
March 18 » Lon Nol ousts Prince Norodom Sihanouk of Cambodia.
April 17 » Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.
September 5 » Jochen Rindt becomes the only driver to posthumously win the Formula One World Drivers' Championship (in 1970), after being killed in practice for the Italian Grand Prix.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
October 10 » Canada's October Crisis escalates when Quebec's vice-premier is kidnapped by members of the FLQ.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I1965.php : accessed February 13, 2026), "Abraham Kalle (1903-1970)".
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