The temperature on August 5, 1867 was about 19.8 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. 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 30 » Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
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.
November 9 » Tokugawa shogunate hands power back to the Emperor of Japan, starting the Meiji Restoration.
Day of marriage May 7, 1895
The temperature on May 7, 1895 was about 16.3 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 45%. Source: KNMI
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
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.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
When copying data from this family tree, please include a reference to the origin: Marjo van Leeuwen, "Family tree Van Leeuwen-Van der Speck en vele anderen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-leeuwen-van-der-speck/R4852.php : accessed May 10, 2025), "Melchior Johannes Langerwerf (1867-????)".
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