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).
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
March 1 » Marshal F. S. López dies during the Battle of Cerro Corá thus marking the end of the Paraguayan War.
July 1 » The United States Department of Justice formally comes into existence.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
September 6 » Louisa Ann Swain of Laramie, Wyoming becomes the first woman in the United States to cast a vote legally after 1807.
December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.
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
January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
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.
June 17 » Iceland declares independence from Denmark and becomes a republic.
June 25 » The final page of the comic Krazy Kat is published, exactly two months after its author George Herriman died.
August 5 » World War II: At least 1,104 Japanese POWs in Australia attempt to escape from a camp at Cowra, New South Wales; 545 temporarily succeed but are later either killed, commit suicide, or are recaptured.
August 12 » Nazi German troops end the week-long Wola massacre, during which time at least 40,000 people are killed indiscriminately or in mass executions.
October 18 » World War II: The state funeral of Field Marshal Erwin Rommel takes place in Ulm Germany.
December 31 » World War II: Hungary declares war on Nazi Germany.
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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