June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
December 3 » The Duquesne Country and Athletic Club defeated an all-star collection of early football players 16–0, in what is considered to be the very first all-star game for professional American football.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of death October 10, 1911
The temperature on October 10, 1911 was between 3.5 °C and 13.8 °C and averaged 8.7 °C. There was 8.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I119248.php : accessed October 23, 2026), "Willem de Haan (1898-1911)".
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