The temperature on April 6, 1912 was between 8.8 °C and 16.3 °C and averaged 11.8 °C. There was 4.5 hours of sunshine (34%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
April 2 » The ill-fated RMSTitanic begins sea trials.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
Day of marriage May 13, 1937
The temperature on May 13, 1937 was between 8.0 °C and 15.7 °C and averaged 10.9 °C. There was 0.8 mm of rain during 0.8 hours. There was 1.5 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
Day of death August 6, 1970
The temperature on August 6, 1970 was between 15.3 °C and 24.4 °C and averaged 20.3 °C. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
July 3 » The Troubles: The "Falls Curfew" begins in Belfast, Northern Ireland.
July 23 » Qaboos bin Said al Said becomes Sultan of Oman after overthrowing his father, Said bin Taimur initiating massive reforms, modernization programs and end to a decade long civil war.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
October 12 » Vietnam War: Vietnamization continues as President Nixon announces that the United States will withdraw 40,000 more troops before Christmas.
November 17 » Luna programme: The Soviet Union lands Lunokhod 1 on Mare Imbrium (Sea of Rains) on the Moon. This is the first roving remote-controlled robot to land on another world and is released by the orbiting Luna 17 spacecraft.
November 18 » U.S. President Richard Nixon asks the U.S. Congress for $155 million in supplemental aid for the Cambodian government.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I170428.php : accessed October 24, 2026), "Mekke Posthumus (1912-1970)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.