The temperature on April 21, 1909 was between 4.5 °C and 12.6 °C and averaged 8.5 °C. There was 3.4 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
April 18 » Joan of Arc is beatified in Rome.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I14799.php : accessed January 2, 2026), "Pieter Johannes Calkhoven".
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