The temperature on November 18, 1911 was between 5.0 °C and 10.8 °C and averaged 8.1 °C. There was 4.7 mm of rain. There was 3.2 hours of sunshine (37%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southeast. Source: KNMI
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
October 5 » The Kowloon–Canton Railway commences service.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I244682.php : accessed February 27, 2026), "Okko Hamminga (± 1888-????)".
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