The temperature on April 4, 1912 was between -0.3 °C and 13.3 °C and averaged 8.3 °C. There was 3.2 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
June 8 » Carl Laemmle incorporates Universal Pictures.
December 6 » The Nefertiti Bust is discovered.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death November 24, 1960
The temperature on November 24, 1960 was between 6.4 °C and 10.4 °C and averaged 8.7 °C. There was 4.3 mm of rain during 3.4 hours. The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 21 » A coal mine collapses at Holly Country, South Africa, killing 435 miners.
February 29 » The 5.7Mw Agadir earthquake shakes coastal Morocco with a maximum perceived intensity of X (Extreme), destroying Agadir, and leaving 12,000 dead and another 12,000 injured.
April 21 » Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
August 15 » Republic of the Congo (Brazzaville) becomes independent from France.
November 4 » At the Kasakela Chimpanzee Community in Tanzania, Dr. Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.
November 25 » The Mirabal sisters of the Dominican Republic are assassinated.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I463536.php : accessed January 13, 2026), "Johannes Mulder (± 1888-1960)".
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