The temperature on February 17, 1912 was between 4.7 °C and 13.7 °C and averaged 8.5 °C. There was 0.1 mm of rain. There was 4.6 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
April 2 » The ill-fated RMSTitanic begins sea trials.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
Day of marriage May 8, 1939
The temperature on May 8, 1939 was between 7.2 °C and 14.0 °C and averaged 11.0 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
September 1 » Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people.
September 18 » World War II: The radio show Germany Calling begins transmitting Nazi propaganda.
October 8 » World War II: Germany annexes western Poland.
October 14 » World War II: The German submarineU-47 sinks the British battleship HMSRoyal Oak within her harbour at Scapa Flow, Scotland.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death April 28, 1999
The temperature on April 28, 1999 was between 8.2 °C and 18.4 °C and averaged 12.4 °C. There was 11.8 hours of sunshine (80%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 4 » Unarmed West African immigrant Amadou Diallo is shot 41 times by four plainclothes New York City police officers on an unrelated stake-out, inflaming race relations in the city.
March 23 » Gunmen assassinate Paraguay's Vice President Luis María Argaña.
April 14 » A severe hailstorm strikes Sydney, Australia causing A$2.3billion in insured damages, the most costly natural disaster in Australian history.
June 1 » American Airlines Flight 1420 slides and crashes while landing at Little Rock National Airport, killing 11 people on a flight from Dallas to Little Rock.
August 7 » The Chechnya-based Islamic International Brigade invades neighboring Dagestan.
November 30 » Exxon and Mobil sign a US$73.7 billion agreement to merge, thus creating ExxonMobil, the world's largest company.
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/I121889.php : accessed October 15, 2026), "Roelf Datema (1912-1999)".
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