The temperature on September 22, 1867 was about 12.4 °C. There was 4 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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).
April 1 » Singapore becomes a British crown colony.
June 8 » Coronation of Franz Joseph as King of Hungary following the Austro-Hungarian compromise (Ausgleich).
June 19 » Maximilian I of the Second Mexican Empire is executed by a firing squad in Querétaro, Querétaro.
July 1 » The British North America Act takes effect as the Province of Canada, New Brunswick, and Nova Scotia join into confederation to create the modern nation of Canada. Sir John A. Macdonald is sworn in as the first Prime Minister of Canada. This date is commemorated annually in Canada as Canada Day, a national holiday.
August 28 » The United States takes possession of the (at this point unoccupied) Midway Atoll.
November 3 » Giuseppe Garibaldi and his followers are defeated in the Battle of Mentana and fail to end the Pope's Temporal power in Rome (it would be achieved three years later).
Day of death April 15, 1870
The temperature on April 15, 1870 was about 12.9 °C. The air pressure was 8 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 57%. 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 23 » In Montana, U.S. cavalrymen kill 173 Native Americans, mostly women and children, in what becomes known as the Marias Massacre.
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
June 22 » The United States Department of Justice is created by the U.S. Congress.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I265.php : accessed February 21, 2026), "Johannes Hendrikus Opperman (1867-1870)".
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