The temperature on March 16, 1904 was between -4.6 °C and 6.2 °C and averaged 0.6 °C. There was 3.6 hours of sunshine (30%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
January 17 » Anton Chekhov's The Cherry Orchard receives its premiere performance at the Moscow Art Theatre.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of marriage September 11, 1957
The temperature on September 11, 1957 was between 12.1 °C and 18.0 °C and averaged 14.9 °C. There was 31.2 mm of rain during 12.8 hours. There was 0.2 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
June 21 » Ellen Fairclough is sworn in as Canada's first female Cabinet Minister.
July 26 » Carlos Castillo Armas, dictator of Guatemala, is assassinated.
July 29 » The International Atomic Energy Agency is established.
September 5 » Cuban Revolution: Fulgencio Batista bombs the revolt in Cienfuegos.
October 29 » Israel's prime minister David Ben-Gurion and five of his ministers are injured when Moshe Dwek throws a grenade into Israel's Knesset.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
Day of death March 20, 1961
The temperature on March 20, 1961 was between -0.9 °C and 7.3 °C and averaged 3.7 °C. There was 4.7 mm of rain during 5.7 hours. There was 0.8 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
September 18 » U.N. Secretary-General Dag Hammarskjöld dies in an air crash while attempting to negotiate peace in the Katanga region of the Democratic Republic of the Congo.
October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
October 29 » Syria exits from the United Arab Republic.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
December 31 » RTÉ, Ireland's state broadcaster, launches its first national television service.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I2741.php : accessed February 3, 2026), "Adriana Johanna Kolenbrander (1904-1961)".
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