The temperature on June 8, 1868 was about 16.1 °C. The air pressure was 8 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. 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 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
June 10 » 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.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
November 30 » A statue of King Charles XII of Sweden is inaugurated in Stockholm's Kungsträdgården.
Day of death August 11, 1934
The temperature on August 11, 1934 was between 10.0 °C and 18.5 °C and averaged 15.2 °C. There was 1.2 mm of rain during 0.4 hours. There was 4.5 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 26 » German–Polish Non-Aggression Pact is signed.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
July 20 » Labor unrest in the U.S.: Police in Minneapolis fire upon striking truck drivers, during the Minneapolis Teamsters Strike of 1934, killing two and wounding sixty-seven.
August 19 » The first All-American Soap Box Derby is held in Dayton, Ohio.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P15506.php : accessed January 16, 2026), "Emma Rockefeller (1868-1934)".
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