January 4 » Utah is admitted as the 45th U.S. state.
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage January 21, 1922
The temperature on January 21, 1922 was between -0.4 °C and 4.7 °C and averaged 1.5 °C. There was 5.9 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
August 27 » Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Kingdom of Greece.
September 9 » The Greco-Turkish War effectively ends with Turkish victory over the Greeks in Smyrna.
November 15 » At least 300 are massacred during a general strike in Guayaquil, Ecuador.
Day of death February 18, 1965
The temperature on February 18, 1965 was between -3.2 °C and 3.4 °C and averaged -0.5 °C. There was 4.5 hours of sunshine (44%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 7 » Bloody Sunday: A group of 600 civil rights marchers is brutally attacked by state and local police in Selma, Alabama.
June 18 » Vietnam War: The United States uses B-52 bombers to attack National Liberation Front guerrilla fighters in South Vietnam.
July 25 » Bob Dylan goes electric at the Newport Folk Festival, signaling a major change in folk and rock music.
November 14 » Vietnam War: The Battle of Ia Drang begins: The first major engagement between regular American and North Vietnamese forces.
November 28 » Vietnam War: In response to U.S. President Lyndon B. Johnson's call for "more flags" in Vietnam, Philippine President-elect Ferdinand Marcos announces he will send troops to help fight in South Vietnam.
December 21 » International Convention on the Elimination of All Forms of Racial Discrimination is adopted.
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/I109497.php : accessed October 24, 2026), "Sybren Henstra (1896-1965)".
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