The temperature on July 24, 1791 was about 11.0 °C. There was 220 mm of rainWind direction mainly southwest. Weather type: betrokken regen. Source: KNMI
January 2 » Big Bottom massacre in the Ohio Country, North America, marking the beginning of the Northwest Indian War.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
May 15 » French Revolution: Maximilien Robespierre proposes the Self-denying Ordinance.
September 27 » The National Assembly votes to award full citizenship to Jews in France.
September 30 » The first performance of Mozart's opera The Magic Flute takes place two months before his death.
December 4 » The first edition of The Observer, the world's first Sunday newspaper, is published.
Day of marriage June 7, 1818
The temperature on June 7, 1818 was about 17.0 °C. Wind direction mainly northeast. Weather type: half bewolkt. Source: KNMI
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De Republiek der Verenigde Nederlanden werd in 1794-1795 door de Fransen veroverd onder leiding van bevelhebber Charles Pichegru (geholpen door de Nederlander Herman Willem Daendels); de verovering werd vergemakkelijkt door het dichtvriezen van de Waterlinie; Willem V moest op 18 januari 1795 uitwijken naar Engeland (en van daaruit in 1801 naar Duitsland); de patriotten namen de macht over van de aristocratische regenten en proclameerden de Bataafsche Republiek; op 16 mei 1795 werd het Haags Verdrag gesloten, waarmee ons land een vazalstaat werd van Frankrijk; in 3.1796 kwam er een Nationale Vergadering; in 1798 pleegde Daendels een staatsgreep, die de unitarissen aan de macht bracht; er kwam een nieuwe grondwet, die een Vertegenwoordigend Lichaam (met een Eerste en Tweede Kamer) instelde en als regering een Directoire; in 1799 sloeg Daendels bij Castricum een Brits-Russische invasie af; in 1801 kwam er een nieuwe grondwet; bij de Vrede van Amiens (1802) kreeg ons land van Engeland zijn koloniën terug (behalve Ceylon); na de grondwetswijziging van 1805 kwam er een raadpensionaris als eenhoofdig gezag, namelijk Rutger Jan Schimmelpenninck (van 31 oktober 1761 tot 25 maart 1825).
January 2 » The British Institution of Civil Engineers is founded by a group of six engineers; Thomas Telford would later become its first president.
January 15 » A paper by David Brewster is read to the Royal Society, belatedly announcing his discovery of what we now call the biaxial class of doubly-refracting crystals. On the same day, Augustin-Jean Fresnel signs a "supplement" (submitted four days later) on reflection of polarized light.
March 16 » In the Second Battle of Cancha Rayada, Spanish forces defeated Chileans under José de San Martín.
April 19 » French physicist Augustin Fresnel signs his preliminary "Note on the Theory of Diffraction" (deposited on the following day). The document ends with what we now call the Fresnel integrals.
April 20 » The case of Ashford v Thornton ends, with Abraham Thornton allowed to go free rather than face a retrial for murder, after his demand for trial by battle is upheld.
July 29 » French physicist Augustin Fresnel submits his prizewinning "Memoir on the Diffraction of Light", precisely accounting for the limited extent to which light spreads into shadows, and thereby demolishing the oldest objection to the wave theory of light.
Day of death June 4, 1879
The temperature on June 4, 1879 was about 16.4 °C. The air pressure was 14 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 57%. Source: KNMI
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.
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
January 22 » The Battle of Rorke's Drift, also during the Anglo-Zulu War and just some 15km away from Isandlwana, results in a British victory.
April 23 » Fire burns down the second main building and dome of the University of Notre Dame, which prompts the construction of the third, and current, Main Building with its golden dome.
July 8 » Sailing ship USSJeannette departs San Francisco carrying an ill-fated expedition to the North Pole.
August 28 » Cetshwayo, last king of the Zulus, is captured by the British.
October 8 » War of the Pacific: The Chilean Navy defeats the Peruvian Navy in the Battle of Angamos.
December 21 » World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I112079.php : accessed January 25, 2026), "Leonardus de Roy (1791-1879)".
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