The temperature on August 8, 1909 was between 11.3 °C and 23.7 °C and averaged 18.2 °C. There was 11.0 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 11 » The city of Tel Aviv is founded.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I1511.php : accessed December 26, 2025), "Izaak Koomen (1885-????)".
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