March 18 » The first modern republic in Germany, the Republic of Mainz, is declared by Andreas Joseph Hofmann.
April 6 » During the French Revolution, the Committee of Public Safety becomes the executive organ of the republic.
October 16 » War of the First Coalition: French victory at the Battle of Wattignies forces Austria to raise the siege of Maubeuge.
November 16 » French Revolution: Ninety dissident Roman Catholic priests are executed by drowning at Nantes.
December 18 » Surrender of the frigate La Lutine by French Royalists to Lord Samuel Hood; renamed HMSLutine, she later becomes a famous treasure wreck.
December 23 » The Battle of Savenay: A decisive defeat of the royalist counter-revolutionaries in War in the Vendée during the French Revolution.
Day of marriage February 26, 1818
The temperature on February 26, 1818 was about 3.0 °C. Wind direction mainly west-northwest. Weather type: betrokken regen hagel bui. Source: KNMI
This page is only available in Dutch.
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 5 » In the Battle of Maipú, Chile's independence movement, led by Bernardo O'Higgins and José de San Martín, win a decisive victory over Spain, leaving 2,000 Spaniards and 1,000 Chilean patriots dead.
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.
October 20 » The Convention of 1818 is signed between the United States and the United Kingdom, which settles the Canada–United States border on the 49th parallel for most of its length.
Day of death August 7, 1871
The temperature on August 7, 1871 was about 23.1 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The atmospheric humidity was 61%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
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.
March 18 » Declaration of the Paris Commune; President of the French Republic, Adolphe Thiers, orders the evacuation of Paris.
March 21 » Journalist Henry Morton Stanley begins his trek to find the missionary and explorer David Livingstone.
April 1 » The 3rd Duke of Buckingham opened the Brill Tramway, a short railway line to transport goods between his lands and the national rail network.
April 30 » The Camp Grant massacre takes place in Arizona Territory.
August 29 » Emperor Meiji orders the abolition of the han system and the establishment of prefectures as local centers of administration. (Traditional Japanese date: July 14, 1871).
October 10 » Chicago burns after a barn accident. The fire lasts from October 8–10.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P124.php : accessed October 9, 2026), "Margaret Parsons (1793-1871)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.