All Events
Diego Portales begins a 30-year spell as Chile's conservative dictator
Panama becomes part of the newly independent rebublic of Colombia

George Stephenson's railway between Liverpool and Manchester opens, with passengers pulled by eight locomotives based on Rocket
The Symphonie fantastique by French composer Hector Berlioz has its premiere in Paris
Edmund Kean takes a lease on the theatre and acts here until his death in 1833
Old London Bridge is demolished after more than six centuries, ending the chance of frost fairs on the Thames
Old Sarum, the most notorious of Britain's rotten boroughs, has just seven voters but returns two members to parliament
Mameluke power ends with their suppression in Baghdad, following a massacre in Cairo twenty years earlier
Italian nationalist Giuseppe Mazzini founds Young Italy, an organization to promote insurrection
The last surviving Aborigines of Tasmania are moved by the British to a small island where they soon die out
New St Mary's Church opens, designed by Edward Lapidge, in white brick with stone dressings in Gothic revival style and with sqare pinnacled tower at the west end
The first Whig Reform Bill is carried in the British House of Commons by a single vote
Victor Hugo publishes his novel The Hunchback of Notre Dame, in which the hunchback, Quasimodo, is obsessed with Esmeralda
Pedro I abdicates in Brazil and returns to Europe to recover his Portuguese throne (as Pedro IV)
Robert Brown reads a paper to the Linnaean Society about an area in the cells of plants, observed through his microscope, which he refers to as the nucleus
Samuel Francis Smith's patriotic hymn America is sung for the first time on July 4 in Boston
Pugin marries Anne Garnett, who dies the following year after giving birth to a daughter, also called Anne
Oliver Wendell Holmes' poem The Last Leaf is inspired by an aged survivor of the Boston Tea Party
Nat Turner leads a revolt by fellow slaves in Southampton County, Virginia, killing 59 whites and provoking more repressive legislation
Evangelical preacher Charles Grandison Finney leads a new wave of revivalism in the northeastern states
Russian poet Alexander Pushkin publishes a grand historical drama, Boris Godunov
The Church of St John's, dedicated to St John the Baptist and designed by Edward Lapidge, is completed in Hampton Wick
HMS Beagle sails from Plymouth to survey the coasts of the southern hemisphere, with Charles Darwin as the expedition's naturalist
Napoleon's son, known now as the Duke of Reichstadt, dies of tuberculosis in Vienna
English scientist Michael Faraday reports his discovery of the first law of electrolysis, to be followed a year later by the second