The temperature on March 29, 1867 was about 11.3 °C. The air pressure was 12 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 53%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
January 15 » Forty people die when ice covering the boating lake at Regent's Park, London, collapses.
February 17 » The first ship passes through the Suez Canal.
April 1 » Singapore becomes a British crown colony.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
May 29 » The Austro-Hungarian Compromise of 1867 ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire.
December 4 » Former Minnesota farmer Oliver Hudson Kelley founds the Order of the Patrons of Husbandry (better known today as the Grange).
Day of death September 11, 1944
The temperature on September 11, 1944 was between 2.0 °C and 18.0 °C and averaged 10.5 °C. There was 10.0 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 4 » World War II: First bombardment of oil refineries in Bucharest by Anglo-American forces kills 3000 civilians.
April 5 » World War II: Two hundred seventy inhabitants of the Greek town of Kleisoura are executed by the Germans.
June 25 » World War II: The Battle of Tali-Ihantala, the largest battle ever fought in the Nordic countries, begins.
July 6 » The Hartford circus fire, one of America's worst fire disasters, kills approximately 168 people and injures over 700 in Hartford, Connecticut.
September 27 » The Kassel Mission results in the largest loss by a USAAF group on any mission in World War II.
November 26 » World War II: Germany begins V-1 and V-2 attacks on Antwerp, Belgium.
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/I49359.php : accessed February 10, 2026), "Pieter van der Ploeg (1867-1944)".
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