April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of death October 2, 1961
The temperature on October 2, 1961 was between 11.7 °C and 17.6 °C and averaged 14.4 °C. There was 1.1 mm of rain during 1.1 hours. There was 0.5 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 15 » Sabena Flight 548 crashes in Belgium, killing 73, including the entire United States figure skating team along with several of their coaches and family members.
March 24 » Quebec Board of the French Language is established.
April 20 » Cold War: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
August 11 » The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
September 16 » Pakistan establishes its Space and Upper Atmosphere Research Commission with Abdus Salam as its head.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I7086.php : accessed October 22, 2026), "Jacoba Elisabeth Maria Angelina Willems (1897-1961)".
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