The temperature on April 21, 1917 was between 3.6 °C and 9.7 °C and averaged 5.7 °C. There was 3.5 hours of sunshine (25%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the north-northwest. 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.
June 23 » In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
October 12 » World War I: The First Battle of Passchendaele takes place resulting in the largest single-day loss of life in New Zealand history.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.
When copying data from this family tree, please include a reference to the origin: L. Vlastra, "Family tree Vlastra", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vlastra/I78492.php : accessed May 21, 2024), "Geert Roelfsema (1892-????)".
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