February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
May 9 » Australia opens its first national parliament in Melbourne.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 27 » The U.S. Army War College is established.
Day of marriage December 15, 1920
The temperature on December 15, 1920 was between -8.6 °C and -4.0 °C and averaged -6.2 °C. There was 5.6 hours of sunshine (72%). The average windspeed was 4 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.
January 19 » The American Civil Liberties Union (ACLU) is founded.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
December 11 » Irish War of Independence: In retaliation for a recent IRA ambush, British forces burn and loot numerous buildings in Cork city. Many civilians report being beaten, shot at, robbed and verbally abused by British forces.
Day of death April 19, 1997
The temperature on April 19, 1997 was between 4.1 °C and 8.1 °C and averaged 5.9 °C. There was -0.1 mm of rain. There was 1.8 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
June 2 » In Denver, Timothy McVeigh is convicted on 15 counts of murder and conspiracy for his role in the 1995 bombing of the Alfred P. Murrah Federal Building in Oklahoma City, in which 168 people died. He was executed four years later.
June 16 » Fifty people are killed in the Daïat Labguer (M'sila) massacre in Algeria.
July 19 » The Troubles: The Provisional Irish Republican Army resumes a ceasefire to end their 25-year paramilitary campaign to end British rule in Northern Ireland.
August 10 » Sixteen people are killed when Formosa Airlines Flight 7601 crashes near Beigan Airport in the Matsu Islands of Taiwan.
August 29 » At least 98 villagers are killed by the Armed Islamic Group of Algeria GIA in the Rais massacre, Algeria.
December 24 » The Sid El-Antri massacre in Algeria kills between 50 and 100 people.
When copying data from this family tree, please include a reference to the origin: Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I77413.php : accessed February 25, 2026), "Johanna Boskeljon (1901-1997)".
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