The temperature on January 7, 1912 was between -3.9 °C and 0.9 °C and averaged -0.5 °C. There was 6.6 mm of rain. There was 2.3 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
April 10 » RMS Titanic sets sail from Southampton, England on her maiden and only voyage.
April 18 » The Cunard liner RMSCarpathia brings 705 survivors from the RMSTitanic to New York City.
Day of death December 26, 1961
The temperature on December 26, 1961 was between -11.7 °C and -2.6 °C and averaged -7.4 °C. There was 0.1 mm of rain. There was 6.2 hours of sunshine (80%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
January 27 » The Soviet submarine S-80 sinks when its snorkel malfunctions, flooding the boat.
March 29 » The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections.
April 23 » Algiers putsch by French generals.
May 31 » In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
October 29 » Syria exits from the United Arab Republic.
When copying data from this family tree, please include a reference to the origin: R. Munnik, "Family tree Munnik", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-munnik/I398.php : accessed January 14, 2026), "Jan-gerrit Koppelman (1912-1961)".
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