The temperature on June 25, 1866 was about 27.9 °C. The air pressure was 7 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 42%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
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).
February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
April 8 » Italy and Prussia ally against the Austrian Empire.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
July 27 » The first permanent transatlantic telegraph cable is successfully completed, stretching from Valentia Island, Ireland, to Heart's Content, Newfoundland.
August 23 » Austro-Prussian War ends with the Treaty of Prague.
Day of death June 13, 1877
The temperature on June 13, 1877 was about 18.6 °C. The air pressure was 8 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 61%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 20 » Tchaikovsky's ballet Swan Lake receives its premiere at the Bolshoi Theatre in Moscow.
May 16 » The 16 May 1877 crisis occurs in France, ending with the dissolution of the National Assembly 22 June and affirming the interpretation of the Constitution of 1875 as a parliamentary rather than presidential system. The elections held in October 1877 led to the defeat of the royalists as a formal political movement in France.
October 22 » The Blantyre mining disaster in Scotland kills 207 miners.
November 21 » Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.
November 24 » Anna Sewell's animal welfare novel Black Beauty is published.
November 29 » Thomas Edison demonstrates his phonograph for the first time.
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Wolf", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-wolf/I108632.php : accessed February 23, 2026), "Roelf Wolff (1866-1877)".
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