The temperature on December 15, 1867 was about 7.5 °C. The air pressure was 14 kgf/m2 and came mainly from the northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 81%. 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).
March 2 » The U.S. Congress passes the first Reconstruction Act.
April 1 » Singapore becomes a British crown colony.
May 15 » Canadian Bank of Commerce opens for business in Toronto, Ontario. The bank would later merge with Imperial Bank of Canada to become what is CIBC in 1961.
May 29 » The Austro-Hungarian Compromise of 1867 ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
September 2 » Mutsuhito, Emperor Meiji of Japan, marries Masako Ichijō, thereafter known as Empress Shōken.
Day of marriage May 23, 1895
The temperature on May 23, 1895 was about 11.6 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
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.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
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 April 6, 1937
The temperature on April 6, 1937 was between 4.5 °C and 15.4 °C and averaged 9.6 °C. There was 0.1 mm of rain. There was 1.1 hours of sunshine (8%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
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/I175983.php : accessed February 12, 2026), "Janna Postema (1867-1937)".
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