January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
Day of marriage May 15, 1919
The temperature on May 15, 1919 was between 10.0 °C and 21.9 °C and averaged 16.2 °C. There was 13.7 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
February 14 » The Polish–Soviet War begins.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
August 11 » Germany's Weimar Constitution is signed into law.
October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
December 21 » American anarchist Emma Goldman is deported to Russia.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I78879.php : accessed October 9, 2026), "Detje Koster (1899-????)".
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