January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
August 13 » Spanish–American War: Spanish and American forces engage in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
Day of marriage April 17, 1920
The temperature on April 17, 1920 was between 5.3 °C and 14.1 °C and averaged 10.8 °C. There was 3.2 mm of rain. There was 1.7 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
April 28 » Azerbaijan is added to the Soviet Union.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of death May 27, 1954
The temperature on May 27, 1954 was between 10.9 °C and 29.2 °C and averaged 21.3 °C. There was 11.9 hours of sunshine (73%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 18 » The first Church of Scientology is established in Los Angeles.
March 19 » Willie Mosconi sets a world record by running 526 consecutive balls without a miss during a straight pool exhibition at East High Billiard Club in Springfield, Ohio, setting a record that remains unbroken.
May 7 » Indochina War: The Battle of Dien Bien Phu ends in a French defeat and a Viet Minh victory (the battle began on March 13).
September 29 » The convention establishing CERN (the European Organization for Nuclear Research) is signed.
November 13 » Great Britain defeats France to capture the first ever Rugby League World Cup in Paris in front of around 30,000 spectators.
December 2 » The Sino-American Mutual Defense Treaty, between the United States and Taiwan, is signed in Washington, D.C.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I24393.php : accessed February 14, 2026), "Barbera Maria Janssen (1898-1954)".
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