The temperature on March 6, 1911 was between -0.6 °C and 7.7 °C and averaged 3.2 °C. There was 4.6 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
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.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
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/I173115.php : accessed February 12, 2026), "Ludolf Horsman (1911-)".
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