The temperature on March 13, 1866 was about 6.8 °C. The air pressure was 7 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 68%. 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).
January 12 » The Royal Aeronautical Society is formed in London.
March 27 » President of the United States of America Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
July 30 » Armed Confederate veterans in New Orleans riot against a meeting of Radical Republicans, killing 48 people and injuring another 100.
August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
August 23 » Austro-Prussian War ends with the Treaty of Prague.
September 22 » The Battle of Curupayty is Paraguay's only significant victory in the Paraguayan War.
Day of marriage May 14, 1897
The temperature on May 14, 1897 was about 8.6 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 71%. Source: KNMI
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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death January 22, 1905
The temperature on January 22, 1905 was between -2.5 °C and 0.1 °C and averaged -0.7 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 22 » Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
May 5 » The trial in the Stratton Brothers case begins in London, England; it marks the first time that fingerprint evidence is used to gain a conviction for murder.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
November 28 » Irish nationalist Arthur Griffith founds Sinn Féin as a political party with the main aim of establishing a dual monarchy in Ireland.
When copying data from this family tree, please include a reference to the origin: J. Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_jacobs/I1011.php : accessed January 19, 2026), "Helena Dorothea Josephina Lena Hammelrath (1866-1905)".
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