1820s
The 1820s was the decade that began on January 1, 1820 and ended on December 31, 1829.
| Millennium: | 2nd millennium |
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1790s 1800s 1810s – 1820s – 1830s 1840s 1850s |
| Years: | 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
Events
- Greek War for Independence
- Much of South America declares independence from Spain.
World leaders
- Emir Dost Mohammad Khan (Afghanistan)
- Supreme director José Rondeau (Argentina)
- Acting supreme director Juan Pedro Julián Aguirre y López de Anaya (Argentina)
- President Bernardino Rivadavia (Argentina)
- President Vicente López y Planes (Argentina)
- General Manuel Dorrego (Argentina)
- General Juan Manuel de Rosas (Argentina)
- Emperor Francis II (Austria)
- Chancellor Klemens Wenzel von Metternich (Austria)
- Sheikh Sulman ibn Ahmad Al Khalifah (Bahrain)
- Sheikh Khalifah ibn Sulman Al Khalifah (Bahrain)
- Administrative leader Tendzin Drugdra (Bhutan)
- Administrative leader Choki Gyaltshen (Bhutan)
- President Simón Bolívar (Bolivia)
- President Antonio José de Sucre (Bolivia)
- President José María Pérez (Bolivia)
- President José Miguel de Velasco (Bolivia)
- President Pedro Blanco (Bolivia)
- President Andrés de Santa Cruz (Bolivia)
- Emperor Pedro I (Brazil)
- Sultan Muhammad Kanzul Alam (Brunei)
- Sultan Muhammad Alam (Brunei)
- Sultan Omar Ali Saifuddin II (Brunei)
- King Ang Chan II (Cambodia)
- President Bernardo O'Higgins (Chile)
- President Agustín Eyzaguirre (Chile)
- Provisional triumvirate of the three provinces Congreso de Plenipotenciarios (Chile)
- Interim Supreme Director Ramón Freire (Chile)
- Acting Supreme Director Diego José Benavente (Chile)
- President Manuel Blanco Encalada (Chile)
- President Francisco Antonio Pinto (Chile)
- President Francisco Ramón Vicuña (Chile)
- President José Tomás Ovalle (Chile)
- Emperor Daoguang (China)
- President Simón Bolívar (Greater Colombia)
- King Frederick VI (Denmark)
- Governor Muḩammad ‘Alī (Egypt)
- Emperor Iyoas II (Ethiopia)
- Emperor Gigar (Ethiopia)
- Emperor Baeda Maryam III (Ethiopia)
- President José Cecilio del Valle (Federal Republic of Central America)
- President Manuel José Arce (Federal Republic of Central America)
- President José Francisco Barrundia (Federal Republic of Central America)
- King Louis XVIII (Restoration France)
- King Charles X (Restoration France)
- Governor Ioannis Kapodistrias (Greece)
- King Henri Christophe (Haiti)
- President Jean Pierre Boyer (Haiti)
- Pope Pius VII
- Pope Leo XII
- Shogun Tokugawa Ienari (Japan)
- Khan Omar Beg (Kokand)
- Khan Mohammed Ali (Kokand)
- Emperor Sunjo (Korea)
- Emir Jaber I Al-Sabah (Kuwait)
- Emperor Agustín de Iturbide (Mexico)
- President Guadalupe Victoria (Mexico)
- President Vicente Guerrero (Mexico)
- President José María Bocanegra (Mexico)
- President Pedro Vélez (Mexico)
- Sultan Slimane (Morocco)
- Sultan Abderrahmane (Morocco)
- Fath Ali Shah of Qajar dynasty (Persia)
- King Frederick William III (Prussia)
- Emperor Alexander I (Russia)
- Emperor Nicholas I (Russia)
- King Victor Emmanuel I (Sardinia)
- King Charles Felix (Sardinia)
- King Rama II (Siam)
- King Rama III (Siam)
- King Ferdinand VII (Spain)
- Pasha Yusuf Karamanli (Tripoli)
- King George IV (United Kingdom)
- King William I (United Kingdom of the Netherlands)
- President James Monroe (United States)
- President John Quincy Adams (United States)
- Emperor Minh Mang (Vietnam)
Births
Deaths
Notes
1820s Media
October 20: Naval Battle of Navarino by Ambroise Louis Garneray
Anthony Finley's 1827 map of Africa
John Melish map of the United States circa 1822
La Batalla de Carabobo by Martín Tovar y Tovar, depicting the Battle of Carabobo, in which Simón Bolívar secured Venezuela's independence from Spain in 1821
The oldest surviving photograph, Nicéphore Niépce, circa 1826
A millinery shop in Paris, 1822
