The events 1820 to 1839

1820

• 1820: Missouri Compromise.
• 1820: Regency period ends in the United Kingdom.
• 1820: Discovery of Antarctica.
• 1820: Liberia founded by the American Colonization Society for freed American slaves.
• 1820: Dissolution of the Maratha Empire.
• 1820–1835: At least 5000 Mexicans die in Apache raids, and 100 settlements are destroyed.^[8]
• 1821: Mexico gains independence from Spain with the Treaty of Córdoba.
• 1821: Peru declares its independence from Spain.
• 1821: Navarino Massacre.
• 1822–1823: First Mexican Empire, as Mexico's first post-independent government, ruled by Emperor Agustín I of Mexico.
• 1821–1830: Greece becomes the first country to break away from the Ottoman Empire after the Greek War of Independence.
• 1822: Prince Pedro of Brazil proclaimed the Brazilian independence on September 7. On December 1, he was crowned as Emperor Dom Pedro I of Brazil.
• 1823–1887: The British Empire annexed Burma (now also called Myanmar) after three Anglo-Burmese Wars.
• 1823: Monroe Doctrine declared by US President James Monroe.
• 1824: Premiere of Beethoven's Ninth Symphony.
• 1825: Erie Canal opened connecting the Great Lakes to the Atlantic Ocean.
• 1825: First isolation of aluminum.
• 1825: Independence of Bolivia.
• 1825: The Stockton and Darlington Railway, the first public railway in the world, is opened.
• 1825: The Decembrist revolt.

Decembrists at the Senate Square.

• 1825–1828: The Cisplatine War results in the independence of Uruguay.
• 1826: Samuel Morey patents the internal combustion engine.
• 1826–1828: After the final Russo-Persian War, the Persian Empire took back territory lost to Russia from the previous war.
• 1827: Death of William Blake, Ludwig van Beethoven
• 1828–1832: Black War in Tasmania leads to the near extinction of the Tasmanian aborigines
• 1829: Johann Wolfgang von Goethe's Faust premieres.
• 1829: First electric motor built.
• 1829: Sir Robert Peel founds the Metropolitan Police Service, the first modern police force.

[edit]1830s

• 1830: The Church of Jesus Christ of Latter Day Saints is established on April 6, 1830.
• 1830: July Revolution in France.
• 1830: The Belgian Revolution in the United Kingdom of the Netherlands led to the creation of Belgium.
• 1830: Greater Colombia dissolved and the nations of Colombia (including modern-day Panama), Ecuador, and Venezuela took its place.
• 1830: November Uprising in Poland against Russia.
• 1831: France invades and occupies Algeria.
• 1831: Great Bosnian uprising against Ottoman rule occurs.
• 1831–1836: Charles Darwin's journey on the HMS Beagle.
  

  

  Emigrants leaving Ireland. From 1830 to 1914, almost 5 million Irish people went to the United States alone.
• 1831: November Uprising ends with crushing defeat for Poland in the Battle of Warsaw.
• 1831-1833: Egyptian–Ottoman War.
• 1832: The British Parliament passes the Great Reform Act.
• 1833: Slavery Abolition Act bans slavery throughout the British Empire.
• 1833–1876: Carlist Wars in Spain.
• 1834: The German Customs Union is formed.
• 1834: Spanish Inquisition officially ends.
• 1834: Britain amends the Poor Law demanding that any paupers requesting assistance must go to a workhouse.
• 1834–1859: Imam Shamil's rebellion in Russian-occupied Caucasus.
• 1835–1836: The Texas Revolution in Mexico resulted in the short-lived Republic of Texas.
• 1836: Battle of the Alamo ends with defeat for Texan separatists.
• 1836: Battle of San Jacinto leads to the capture of General Santa Anna.
• 1836: Samuel Colt popularizes the revolver and sets up a firearms company to manufacture his invention of the Colt Paterson revolver a six bullets firearm shot one by one without reloading manually.
• 1837: Telegraphy patented.
• 1837: Charles Dickens publishes Oliver Twist.
• 1837: Death of Alexander Pushkin.
• 1837–1838: Rebellions of 1837 in Canada.
• 1837–1901: Queen Victoria's reign is considered the apex of the British Empire and is referred to as the Victorian era.
• 1838: By this time, 46,000 Native Americans have been forcibly relocated in the Trail of Tears.
• 1838–1840: Civil war in the Federal Republic of Central America led to the foundings of Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica.
• 1839: Kingdom of Belgium declared.
• 1839–1851: Uruguayan Civil War.
• 1839–1860: After two Opium Wars, France, the United Kingdom, the United States and Russia gained many concessions from China resulting in the decline of the Qing Dynasty.
• 1839–1919: Anglo-Afghan Wars lead to stalemate and the establishment of the Durand line

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