The temperature on September 9, 1911 was between 10.0 °C and 19.9 °C and averaged 15.7 °C. There was 0.2 mm of rain. There was 6.3 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
Day of death May 22, 1917
The temperature on May 22, 1917 was between 10.2 °C and 24.1 °C and averaged 15.9 °C. There was 12.8 hours of sunshine (80%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
August 28 » Ten Suffragettes are arrested while picketing the White House.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
When copying data from this family tree, please include a reference to the origin: Pauline Berens BC, "Local Heritage Book Barger-Compascuum", database, Genealogy Online (https://www.genealogieonline.nl/ofb-barger-compascuum/I69663.php : accessed February 24, 2026), "Pieter van der Lei (1911-1917)".
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