January 9 » Hallam Tennyson, 2nd Baron Tennyson, son of the poet Alfred Tennyson, becomes the second Governor-General of Australia.
March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
June 16 » The Ford Motor Company is incorporated.
July 4 » The Philippine–American War is officially concluded.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of marriage May 15, 1926
The temperature on May 15, 1926 was between 5.9 °C and 9.9 °C and averaged 7.5 °C. There was 4.3 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
June 14 » Brazil leaves the League of Nations.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
Day of death February 17, 1961
The temperature on February 17, 1961 was between 2.6 °C and 16.4 °C and averaged 7.8 °C. There was 0.2 mm of rain. There was 7.7 hours of sunshine (77%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
February 27 » The first congress of the Spanish Trade Union Organisation is inaugurated.
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
May 19 » Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I4087.php : accessed February 12, 2026), "Meindina Wiers (1903-1961)".
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