The temperature on June 20, 1870 was about 19.4 °C. The air pressure was 6 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 67%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 10 » John D. Rockefeller incorporates Standard Oil.
February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
July 1 » The United States Department of Justice formally comes into existence.
September 19 » Franco-Prussian War: The siege of Paris begins. The city will hold out for over four months before surrendering.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
Day of marriage May 16, 1895
The temperature on May 16, 1895 was about 8.3 °C. There was 2 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 75%. Source: KNMI
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
Day of death June 21, 1944
The temperature on June 21, 1944 was between 10.6 °C and 16.6 °C and averaged 12.9 °C. There was 2.5 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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.
February 29 » World War II: The Admiralty Islands are invaded in Operation Brewer led by American General Douglas MacArthur.
March 5 » World War II: The Red Army begins the Uman–Botoșani Offensive in the western Ukrainian SSR.
June 20 » The experimental MW 18014 V-2 rocket reaches an altitude of 176km, becoming the first man-made object to reach outer space.
September 27 » The Kassel Mission results in the largest loss by a USAAF group on any mission in World War II.
November 4 » World War II: The 7th Macedonian Liberation Brigade liberates Bitola for the Allies.
December 15 » World War II: a single-engine UC-64A Norseman aeroplane carrying United States Army Air Forces Major Glenn Miller is lost in a flight over the English Channel.
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/I54043.php : accessed October 2, 2026), "Dirk van der Ploeg (1870-1944)".
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