Family tree Trox » Joachim Christoph (Christian) Roeckner (1742-1818)

Day of marriage June 26, 1765

• The temperature on June 26, 1765 was about 20.0 °C. Wind direction mainly northwest. Weather type: betrokken omtrent helder. Special wheather fenomena: dauw. Source: KNMI
• Erfstadhouder Prins Willem V (Willem Batavus) (Huis van Oranje-Nassau) was from 1751 till 1795 sovereign of the Netherlands (also known as Republiek der Zeven Verenigde Nederlanden)
• Regent Lodewijk Ernst (Hertog van Brunswijk-Wolfenbüttel) was from 1759 till 1766 sovereign of the Netherlands (also known as Republiek der Zeven Verenigde Nederlanden)
• In the year 1765: Source: Wikipedia
  • January 25 » Port Egmont, the first British settlement in the Falkland Islands near the southern tip of South America, is founded.
  • March 9 » After a campaign by the writer Voltaire, judges in Paris posthumously exonerate Jean Calas of murdering his son. Calas had been tortured and executed in 1762 on the charge, though his son may have actually committed suicide.
  • March 22 » The British Parliament passes the Stamp Act that introduces a tax to be levied directly on its American colonies.
  • March 24 » Great Britain passes the Quartering Act, which requires the Thirteen Colonies to house British troops.
  • August 12 » Treaty of Allahabad is signed. The Treaty marks the political and constitutional involvement and the beginning of Company rule in India.
  • November 1 » The British Parliament enacts the Stamp Act on the Thirteen Colonies in order to help pay for British military operations in North America.

Day of death August 17, 1818

• The temperature on August 17, 1818 was about 18.0 °C. Wind direction mainly west-northwest. Weather type: half bewolkt. 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).
• In the year 1818: Source: Wikipedia
  • January 2 » The British Institution of Civil Engineers is founded by a group of six engineers; Thomas Telford would later become its first president.
  • March 30 » Physicist Augustin Fresnel reads a memoir on optical rotation to the French Academy of Sciences, reporting that when polarized light is "depolarized" by a Fresnel rhomb, its properties are preserved in any subsequent passage through an optically-rotating crystal or liquid.
  • 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.
  • 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.
  • December 13 » Cyril VI of Constantinople resigns from his position as Ecumenical Patriarch.

Source: Wikipedia

• 1786 » Frederick the Great, Prussian king (b. 1712)
• 1809 » Matthew Boulton, English businessman and engineer, co-founded Boulton and Watt (b. 1728)
• 1814 » John Johnson, English architect and surveyor (b. 1732)
• 1834 » Husein Gradaščević, Ottoman general (b. 1802)
• 1838 » Lorenzo Da Ponte, Italian playwright and poet (b. 1749)
• 1850 » José de San Martín, Argentinian general and politician, 1st President of Peru (b. 1778)