The temperature on December 22, 1912 was between 0.1 °C and 6.8 °C and averaged 3.1 °C. There was 3.7 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
April 14 » The British passenger liner RMSTitanic hits an iceberg in the North Atlantic at 23:40 (sinks morning of April 15th).
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
October 7 » The Helsinki Stock Exchange sees its first transaction.
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 June 27, 1946
The temperature on June 27, 1946 was between 13.3 °C and 20.6 °C and averaged 16.4 °C. There was 7.6 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 10 » The United States Army Signal Corps successfully conducts Project Diana, bouncing radio waves off the Moon and receiving the reflected signals.
January 25 » The United Mine Workers rejoins the American Federation of Labor.
February 15 » ENIAC, the first electronic general-purpose computer, is formally dedicated at the University of Pennsylvania in Philadelphia.
May 5 » The International Military Tribunal for the Far East begins in Tokyo with twenty-eight Japanese military and government officials accused of war crimes and crimes against humanity.
July 5 » Micheline Bernardini models the first modern bikini at a swimming pool in Paris.
September 8 » The referendum abolishes the monarchy in Bulgaria.
Day of death January 31, 1990
The temperature on January 31, 1990 was between 9.2 °C and 12.1 °C and averaged 10.9 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 19 » The ethnic clashes of Târgu Mureș begin four days after the anniversary of the Revolutions of 1848 in the Austrian Empire.
April 23 » Namibia becomes the 160th member of the United Nations and the 50th member of the Commonwealth of Nations.
April 24 » Gruinard Island, Scotland, is officially declared free of the anthrax disease after 48 years of quarantine.
June 19 » The Communist Party of the Russian Soviet Federative Socialist Republic is founded in Moscow.
July 26 » The Americans with Disabilities Act of 1990 is signed into law by President George H.W. Bush.
September 12 » The two German states and the Four Powers sign the Treaty on the Final Settlement with Respect to Germany in Moscow, paving the way for German reunification.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2069.php : accessed January 31, 2026), "Helena "Lien" Sterks (1912-1990)".
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