The temperature on August 30, 1866 was about 16.5 °C. There was 2 mm of rain. The air pressure was 27 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 81%. 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).
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of death February 9, 1951
The temperature on February 9, 1951 was between 3.9 °C and 11.8 °C and averaged 8.0 °C. There was 1.6 mm of rain during 2.2 hours. There was 5.1 hours of sunshine (53%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I5965.php : accessed January 23, 2026), "Johanna Petrus (1866-1951)".
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