The temperature on July 27, 1868 was about 29.4 °C. The air pressure was 2 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 57%. 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).
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 3 » Meiji Restoration in Japan: The Tokugawa shogunate is abolished; agents of Satsuma and Chōshū seize power.
March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
April 10 » At Arogee in Abyssinia, British and Indian forces defeat an army of Emperor Tewodros II. While 700 Ethiopians are killed and many more injured, only two British/Indian troops die.
May 30 » Decoration Day (the predecessor of the modern "Memorial Day") is observed in the United States for the first time after a proclamation by John A. Logan, head of the Grand Army of the Republic (a veterans group).
July 28 » The 14th Amendment to the United States Constitution is certified, establishing African American citizenship and guaranteeing due process of law.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
Day of marriage May 4, 1889
The temperature on May 4, 1889 was about 17.6 °C. The air pressure was 8 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
July 8 » The first issue of The Wall Street Journal is published.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I775.php : accessed January 28, 2026), "Johan Jacob Manz (1868-1940)".
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