The temperature on December 12, 1912 was between 3.9 °C and 9.3 °C and averaged 7.2 °C. There was 4.8 mm of rain. There was 2.0 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
April 2 » The ill-fated RMSTitanic begins sea trials.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 7 » The Helsinki Stock Exchange sees its first transaction.
Day of death August 15, 1977
The temperature on August 15, 1977 was between 15.1 °C and 21.9 °C and averaged 18.1 °C. There was 0.3 mm of rain during 0.5 hours. There was 4.2 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 9 » The Hanafi Siege: In a thirty-nine-hour standoff, armed Hanafi Muslims seize three Washington, D.C., buildings.
March 11 » The 1977 Hanafi Siege: More than 130 hostages held in Washington, D.C., by Hanafi Muslims are set free after ambassadors from three Islamic nations join negotiations.
March 24 » Morarji Desai became the Prime Minister of India, the first Prime Minister not to belong to Indian National Congress.
July 24 » End of a four-day-long Libyan–Egyptian War.
August 3 » Tandy Corporation announces the TRS-80, one of the world's first mass-produced personal computers.
November 11 » A munitions explosion at a train station in Iri, South Korea kills at least 56 people.
When copying data from this family tree, please include a reference to the origin: Gerhard Manning, "Family tree Manning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-manning/I244.php : accessed February 15, 2026), "Marie Manning (1912-1977)".
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