1826

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Events

January 15 – The French newspaper Le Figaro begins publication in Paris, initially as a weekly.
February 13 – The American Temperance Society is founded.
February 24 – The Treaty of Yandabo ends the First Anglo-Burmese War; Britain gains Assam, Manipur, Rakhine and Tanintharyi.
March 10 – João VI, King of Portugal and the former Emperor of Brazil, dies after a short illness that had started six days earlier, after he had been served dinner while visiting Jerónimos Monastery. An investigative autopsy 174 years later will discover that he had been killed by arsenic poisoning. King João's son, Emperor Pedro I of Brazil, sails back to Portugal and briefly reigns as King Pedro IV, before turning over the Portuguese throne to his daughter, Maria.
April 1 – Samuel Morey patents an internal combustion engine.
April 10 – The Third Siege of Missolonghi ends, with the massacre of thousands of Greek defenders by the Ottoman besiegers.
May 28 – Pedro I of Brazil abdicates as King of Portugal.
June 14–15 – The Auspicious Incident: Mahmud II, sultan of Ottoman Empire, crushes the last mutiny of janissaries in Istanbul.
July 26 – Cayetano Ripoll became the last person to be executed by the Spanish Inquisition at its last auto-da-fé, held in Valencia.
September – William Morgan (anti-Mason) disappears mysteriously. It is highly likely he was murdered by freemasons.
November 3 – The Paris Stock Exchange opens at the Palais de la Bourse.

The first railway tunnel is built en route between Liverpool and Manchester, in England.
The British East India Company colony of the Straits Settlements is established.
Aniline is first isolated from the destructive distillation of indigo, by Otto Unverdorben.
Ludwig van Beethoven composes the Große Fuge.
Mahmud II's council orders the janissaries to drill in the European manner.