The temperature on September 21, 1912 was between 2.5 °C and 15.1 °C and averaged 9.0 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 23 » The International Opium Convention is signed at The Hague.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death December 23, 1987
The temperature on December 23, 1987 was between -0.7 °C and 6.6 °C and averaged 2.7 °C. There was 3.3 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 22 » Philippine security forces open fire on a crowd of 10,000–15,000 demonstrators at Malacañang Palace, Manila, killing 13.
March 7 » Lieyu massacre: Taiwanese military massacre of 19 unarmed Vietnamese refugees at Donggang, Lieyu, Kinmen.
May 3 » A crash by Bobby Allison at the Talladega Superspeedway, Alabama fencing at the start-finish line would lead NASCAR to develop the restrictor plate for the following season both at Daytona International Speedway and Talladega.
June 28 » For the first time in military history, a civilian population is targeted for chemical attack when Iraqi warplanes bombed the Iranian town of Sardasht.
October 11 » The AIDS Memorial Quilt is first displayed during the Second National March on Washington for Lesbian and Gay Rights.
November 18 » King's Cross fire: In London, 31 people die in a fire at the city's busiest underground station, King's Cross St Pancras.
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R2506.php : accessed February 15, 2026), "Iemkje Werksma (1912-1987)".
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