In history, year 1822 has its own importance and known for many memorable events like famous birthdays, inventions, natural disaster, treaties, change of rulers, special days etc. Find below a list of important historical events which happened during the year 1822.
| Date/Month | Event / Incidence / Incident |
|---|
| 13 january | The design of the current flag of Greece was adopted by the First National Assembly at Epidaurus for their naval flag. |
| 24 february | The first Swaminarayan temple, Swaminarayan Mandir in present-day Ahmedabad, India, was inaugurated. |
| 30 march | The United States merged East Florida and West Florida to create the Florida Territory. |
| 26 may | The deadliest fire in Norwegian history took place at a churchin Grue, Norway, with at least 113 deaths. |
| 14 june | In a paper presented to the Royal Astronomical Society, Englishmathematician Charles Babbage proposed a difference engine, anautomatic, mechanical calculator designed to tabulate polynomialfunctions. |
| 01 july | Daily newspaper 'Mumbai Samachar' was published. The Bombay Samachar is the oldest continuously published newspaper in India. Established by Fardunjee Marzban, it was published in Gujarati and English. It was composed three small quarto sheets with a half sheet supplement. It contained fourteen pages of printed matter. |
| 27 september | In a letter to the Paris Académie des Inscriptions et Belles-Lettres, Jean-François Champollion announced his initial successes indeciphering the Rosetta Stone. |
| 31 october | Emperor Agustín de Iturbide of the First Mexican Empiredissolved the Mexican Congress and replaced it with a military juntaanswerable only to him. |
| 08 november | USS Alligator engaged three piratical schooners off the coastof Cuba in one of the West Indies anti-piracy operations of the UnitedStates. |
| 01 december | Pedro I was formally crowned the first Emperor of Brazil, seven weeks after his reign began on his 24th birthday, 12 October. |
| 07 September | Brazil gained independence from the authority of Portugal. Today was declared as the National Day of Brazil. |
| 30 November | Edward Jonze, a British physician and smallpox vaccine, died. |
| 10 August | A devastating earthquake in Syria killed 20,000 people. |
| 24 February | The world's first Swami Narayan temple was inaugurated in Ahmedabad. |
| 09 March | Charles Egg Graham patented fake teeth for the first time. |
| 13 January | The design of the country's modern flag was adopted by the National Assembly of Greece for their first naval flag in Epidador. |
| 24 February | The first Swaminarayan temple, Kalpur Swaminarayan temple in Ahmedabad was inaugurated in the British Raj. |
| 09 March | Charles Graham of New York granted the first US patent for denture. |
| 01 May | John Phillips became the first Mayor of Boston. |
| 26 May | 116 people died in a fire at the Gru Church, the largest fire disaster in Norway's history. |
| 16 June | Denmark Vesey led a slave rebellion in South Carolina. |
| 31 July | The last public hanging in Edinburgh. |
| 12 August | St. David's College was founded in modern day University of Wales, Lampeter) Wales by Bishop Thomas Burgess of St. Wales. |
| 07 September | Brazil declared its independence from Portugal. |
| 12 October | Pedro-I of Brazil was declared the Constitutional Emperor of Brazil. |
| 19 November | Nearly 200 people died from an earthquake near Valparaiso in Chile, causing a tsunami and extending the coastal region. |
| 01 December | Pedro-I was crowned as the first emperor of Brazil. |
| Date/Month | Name / Profession / Country |
|---|
| 02 January | Rudolf Clausius / Mathematician / Germany |
| 03 April | Edward Everett Hale / Historian / United States of America |
| 03 May | Charles Boucher de Boucherville / Politician / Canada |
| 04 March | Jules Antoine Lissajous / Academic / France |
| 04 October | Rutherford B. Hayes / Lawyer / United States of America |
| 08 February | Maxime Du Camp / Journalist / France |
| 08 December | Jakov Ignjatović / Author / Hungary |
| 13 June | Carl Schmidt / Academic / Germany |
| 16 February | Francis Galton / Biologist / United Kingdom |
| 18 October | Midhat Pasha / Politician / Oman |
| 18 May | Mathew Brady / Journalist / United States of America |
| 20 July | Gregor Mendel / Botanist / Germany |
| 21 February | Lord Mayo / Governor General / Ireland |
| 22 March | Ahmed Cevdet Pasha / Sociologist / Turkey |
| 25 January | William McDougall / Politician / Canada |
| 25 January | Charles Reed Bishop / Business Man / United States of America |
| 27 March | Henri Murger / Poet / France |
| 27 April | Ulysses S. Grant / Politician / United States of America |
| 28 January | Alexander Mackenzie / Soldier / Canada |
| 29 October | Mieczysław Halka-Ledóchowski / Cardinal / Poland |