The temperature on February 21, 1909 was between -4.4 °C and 8.9 °C and averaged 1.5 °C. There was 9.2 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 24 » Workers start pouring concrete for the Panama Canal.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
December 4 » The Montreal Canadiens ice hockey club, the oldest surviving professional hockey franchise in the world, is founded as a charter member of the National Hockey Association.
Day of marriage February 11, 1931
The temperature on February 11, 1931 was between 0.6 °C and 7.4 °C and averaged 3.9 °C. There was 10.9 mm of rain during 3.8 hours. There was 5.5 hours of sunshine (57%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 13 » The British Raj completes its transfer from Calcutta to New Delhi.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
March 11 » Ready for Labour and Defence of the USSR, abbreviated as GTO, is introduced in the Soviet Union.
March 23 » Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for the killing of a deputy superintendent of police during the Indian independence movement.
May 1 » The Empire State Building is dedicated in New York City.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
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/I62049.php : accessed February 5, 2026), "Hendrik Willem "Hendrik" Depenbrock (1909-)".
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