The temperature on April 28, 1872 was about 19.3 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The atmospheric humidity was 66%. Source: KNMI
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 5 » George Westinghouse patents the air brake.
March 11 » Construction of the Seven Sisters Colliery, South Wales, begins; located on one of the richest coal sources in Britain.
March 22 » Illinois becomes the first state to require gender equality in employment.
May 10 » Victoria Woodhull becomes the first woman nominated for President of the United States.
July 18 » The Ballot Act 1872 in the United Kingdom introduced the requirement that parliamentary and local government elections be held by secret ballot.
December 4 » The crewless American brigantine Mary Celeste, drifting in the Atlantic, is discovered by the Canadian brig Dei Gratia. The ship has been abandoned for nine days but is only slightly damaged. Her master Benjamin Briggs and all nine others known to have been on board are never accounted for.
Day of marriage March 27, 1897
The temperature on March 27, 1897 was about 10.8 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 87%. 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.
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.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I200315.php : accessed January 28, 2026), "Jan IJpelaar (1872-????)".
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