The temperature on March 28, 1868 was about 7.7 °C. The air pressure was 12 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 72%. 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).
March 23 » The University of California is founded in Oakland, California when the Organic Act is signed into law.
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
December 25 » Pardons for ex-Confederates: United States President Andrew Johnson grants an unconditional pardon to all Confederate veterans.
Day of death July 4, 1944
The temperature on July 4, 1944 was between 12.9 °C and 17.1 °C and averaged 15.4 °C. There was 2.2 mm of rain during 3.8 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 4 » World War II: The United States Fifth Army captures Rome, although much of the German Fourteenth Army is able to withdraw to the north.
June 22 » U.S. President Franklin D. Roosevelt signs into law the Servicemen's Readjustment Act of 1944, commonly known as the G.I. Bill.
June 26 » World War II: The Battle of Osuchy in Osuchy, Poland, one of the largest battles between Nazi Germany and Polish resistance forces, ends with the defeat of the latter.
August 1 » World War II: The Warsaw Uprising against the Nazi German occupation breaks out in Warsaw, Poland.
August 7 » IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I).
November 16 » World War II: Operation Queen, the costly Allied thrust to the Rur, is launched.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I4770.php : accessed March 6, 2026), "Jacobus Johannes Pretorius (1868-1944)".
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