March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death May 5, 1961
The temperature on May 5, 1961 was between 11.8 °C and 16.7 °C and averaged 14.6 °C. There was 5.4 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 11 » Throgs Neck Bridge over the East River, linking New York City's boroughs of The Bronx and Queens, opens to road traffic.
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
May 19 » At Silchar Railway Station, Assam, 11 Bengalis die when police open fire on protesters demanding state recognition of Bengali language in the Bengali Language Movement.
May 19 » Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
September 28 » A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
When copying data from this family tree, please include a reference to the origin: Yvonne Janssen, "Genealogie Janssen-de Groot", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-janssen-de-groot/I30890.php : accessed September 26, 2024), "Pieternella Pronk (± 1881-1961)".
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