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The 1810s

1,538 sourced entries across 10 years, inside the 19th century. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

1810 CE155 entries

  • May 18–25 – May Revolution: Armed citizens of Buenos Aires expel the Viceroy and establish a provincial government for Argentina (the Primera Junta). Baltasar Hidalgo de Cisneros is removed.
  • September 14 - Battle of La Bisbal: A Spanish division led by Henry O'Donnell (also known as Enrique José O'Donnell) and supported by an Anglo-Spanish naval squadron led by Francis William Fane and Charles William Doyle surprises an Imperial French brigade commanded by François Xavier de Schwarz.
  • November 2 – A peace treaty in Haiti confirms its division between the northern State of Haiti, ruled autocratically by the gen de couleur Henri Christophe, and the southern Republic, ruled by mulatto Alexandre Pétion.

1811 CE154 entries

  • June 19 – The Carlton House Fête is held at the Prince Regent's London residence Carlton House to celebrate the establishment of the Regency era.
  • 19 June – The Carlton House Fête is held at Carlton House in London. A costly and extravagant event it celebrated the beginning of the Regency era.
  • October 11 – Inventor John Stevens' boat, the Juliana, begins operation as the first steam-powered ferry service, between New York City and Hoboken, New Jersey.

1812 CE161 entries

  • March 26 – In the United States, the Boston Gazette prints a political cartoon coining the term Gerrymander, after former Massachusetts Governor Elbridge Gerry's approval (on February 11) of legislation creating oddly shaped electoral districts, designed to help incumbents win re-election.
  • March 26 – The Boston Gazette prints a political cartoon coining the term "Gerrymander" after former Massachusetts Governor Elbridge Gerry's approval (on February 11) of legislation creating oddly shaped electoral districts designed to help incumbents win re-election.
  • June 1 – War of 1812: U.S. President James Madison asks the U.S. Congress to declare war on Great Britain.

1813 CE160 entries

  • March 4 – James Madison is sworn in as President of the United States for his second term, and Elbridge Gerry is sworn in as Vice President of the United States.
  • May 1–9 – War of 1812: First Siege of Fort Meigs: British allied forces, under General Henry Proctor and Chief Tecumseh, lay siege to the fort but do not capture it.
  • August 30 – Creek War – Fort Mims massacre: A force of Creeks, belonging to the Red Sticks faction, kills hundreds of settlers in Fort Mims, Alabama.

1814 CE183 entries

  • 1 January - The first weekly newspaper in Welsh is published, when Seren Gomer is founded by Joseph Harris (Gomer), a Baptist minister in Swansea.
  • June 20 – Gaspar de Vigodet, Spain's last colonial administrator of the Viceroyalty of the Río de la Plata (covering nearly all of modern-day Argentina, Chile, Paraguay and Uruguay), surrenders the city of Montevideo to independence fighters, led by General Carlos María de Alvear.
  • August 13 – The Anglo-Dutch Treaty of 1814 is signed in London, returning most possessions of the Dutch Empire acquired by the United Kingdom since 1803 to the Netherlands, although Britain retains the Cape of Good Hope and the South American settlements of Demerara, Essequibo and Berbice (later consolidated as British Guiana). In addition, the British cede the island of Banca off the island of Sumatra, in exchange for the settlement of Cochin, India.

1815 CE154 entries

  • January 2 – Lord Byron marries Anna Isabella Milbanke in Seaham, county of Durham, England.
  • 29 March – The Duke of Wellington leaves Vienna, where he has been leading Britain's delegation at the Congress of Vienna, to take command of British and allied army gathering near Brussels
  • June 18 – Napoleonic Wars: Battle of Waterloo – Allied forces led by Arthur Wellesley, 1st Duke of Wellington, and Gebhard Leberecht von Blücher decisively, and this time permanently, defeat Napoleon.

1816 CE145 entries

  • 18 June – A riot breaks out on Wimbledon Common after inaccurate newspaper reports that a military review will commemorate the first anniversary of the Battle of Waterloo. After a drunken crowd sets fire to the heath, cavalry are called in to disperse them.
  • 13 August – an earthquake in Inverness is the strongest ever in Scotland.
  • December 11 – Indiana is admitted as the 19th U.S. state (see History of Indiana).

1817 CE144 entries

  • 10 March – The Blanketeers set out to march from Manchester to London; on 11 March, 160 are arrested at Stockport.
  • May – The General Convention of the Episcopal Church founds the General Theological Seminary while meeting in New York City.
  • December 10 – Mississippi is admitted as the 20th U.S. state, formerly the Mississippi Territory. (see History of Mississippi). Then Alabama Territory is effective.

1818 CE155 entries

  • January 6 – The Treaty of Mandeswar brings an end to the Third Anglo-Maratha War, ending the dominance of Marathas, and enhancing the power of the British East India Company, which controls territory occupied by 180 million Indians.
  • March 15 – First Seminole War: General Andrew Jackson and his American army invade Florida.
  • June–August – English poet John Keats with his friend Charles Armitage Brown makes a walking tour of Scotland, Ireland and the English Lake District. On 11 July, while in Scotland, he visits Burns Cottage, the birthplace of Robert Burns (1759–96). Before Keats arrives, he writes to a friend "one of the pleasantest means of annulling self is approaching such a shrine as the cottage of Burns — we need not think of his misery — that is all gone — bad luck to it — I shall look upon it all with unmixed pleasure." but his encounter with the cottage's alcoholic custodian returns him to thoughts of misery. On 2 August he climbs to the summit of Ben Nevis, on which he writes a sonnet.

1819 CE127 entries

  • 30 January – An informal agreement was written between the Temenggong and the British and the Union Jack is raised with a little ceremony.
  • April 6–June 21 – The French slave ship Le Rodeur sails from Bonny in West Africa to Guadeloupe in the West Indies. In the course of the transatlantic voyage many onboard become blind, and 30 slaves are thrown overboard as a consequence.
  • June 16 – The Rann of Kutch earthquake, estimated at at least 7.7 Mw kills at least 1,543 people in India in what is now the state of Gujarat at the Arabian Sea, causing an 80 - 150 km stretch of land to be raised as much as 6 m and creating a natural dam, the Allahbund.