The temperature on January 26, 1911 was between 6.4 °C and 10.7 °C and averaged 8.0 °C. There was 3.5 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
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.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Christening day April 16, 1911
The temperature on April 16, 1911 was between 4.3 °C and 12.7 °C and averaged 8.5 °C. There was 7.3 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
October 5 » The Kowloon–Canton Railway commences service.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of death November 11, 1913
The temperature on November 11, 1913 was between 7.3 °C and 13.3 °C and averaged 10.1 °C. There was 3.1 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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 18 » First Balkan War: A Greek flotilla defeats the Ottoman Navy in the Naval Battle of Lemnos, securing the islands of the Northern Aegean Sea for Greece.
February 2 » Grand Central Terminal is opened in New York City.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
November 7 » The first day of the Great Lakes Storm of 1913, a massive blizzard that ultimately killed 250 and caused over $5 million (about $118,098,000 in 2013 dollars) damage. Winds reach hurricane force on this date.
When copying data from this family tree, please include a reference to the origin: Guus Nijhuis, "Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/gelderman/I25371.php : accessed January 2, 2026), "Hendrika Hendrikusen Gelderman (1911-1913)".
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