Historical
1815: Austria - The Congress of Vienna redraws the European map, the Concert of Europe attempts to preserve this settlement, but It fails to stem the tide of liberalism and nationalism that sweeps over the continent
1815: Europe - combined armies commanded by the Duke of Wellington defeat Napoleon at Waterloo (Belgium), bringing a conclusion to the Napoleonic Wars and marks the beginning of a Pax Britannica which lasts until 1870
1816-1828: South Africa - Zulu kingdom of Shaka on the southeast coast of Africa becomes the largest kingdom in southern Africa
1816: northern hemisphere - Unusually cold conditions wreak havoc throughout the Northern Hemisphere, likely caused by the 1815 eruption of Mount Tambora on Indonesia, It is the largest volcanic eruption in recorded history and the most deadly as over 70,000 people died, the volcano ash caused what is called "volcanic winter" and 1816 became known as the "Year Without a Summer" because of the effect on North American and European weather where agricultural crops failed and livestock died resulting in the worst famine of th
1817: Serbia, Turkey - Principality of Serbia becomes suzerain from the Ottoman Empire, officially Independent in 1867
1819: France - Theodore Gericault paints his masterpiece The Raft of the Medusa, and exhibits It in the French Salon of 1819 at the Louvre
1819: Singapore, England - The modern city of Singapore is established by the British East India Company
1820: Liberia - Liberia founded by the American Colonization Society for freed American slaves
1820: United States - Missouri Compromise admits Missouri as a slave state and Maine as a free state
1821-1830: Greece, Turkey - Greece becomes the first country to break away from the Ottoman Empire after the Greek War of Independence
1821: Mexico, Spain - Mexico gains Independence from Spain with the Treaty of Cordoba
1821: Peru, Spain - Peru declares Its Independence from Spain
1822-1823: Mexico - First Mexican Empire, as the first post-independent Mexican government, ruled by Emperor Agustin I of Mexico
1822: Brazil, Portugal - Prince Pedro of Portugal proclaimed the Brazilian Independence on September 7, on December 1, he was crowned as Emperor Dom Pedro I of Brazil
1823-1887: England, Burma - The British Empire annexed Burma (now also called Myanmar) after three Anglo-Burmese Wars
1825-1828: Argentina, Brazil, Uruguay - The Argentina-Brazil War results in the Independence of Uruguay
1825: United States - Erie Canal opened connecting the Great Lakes to the Atlantic Ocean
1826-1828: Russia, Iran - After the final Russo-Persian War, the Persian Empire took back territory lost to Russia from the previous war
1827: England - Death of William Blake, an English poet, painter, and printmaker who Influenced literature
1828-1829: Russia, Turkey - Russo-Turkish War (ninth of ten), Russian victory
1830: Belgium, Netherlands - The Belgian Revolution in the United Kingdom of the Netherlands led to the creation of Belgium
1830: Colombia, Venezuela, Ecuador - Greater Colombia dissolved and the nations of Colombia (including modern-day Panama), Ecuador, and Venezuela took Its place
1830: France - July Revolution in France
1830: Poland, Russia - November Uprising in Poland against Russia
1830: United States - The Church of Jesus Christ of Latter Day Saints is established on April 6, 1830
1831-33: Egypt - Egyptian-Ottoman War
1831: France, Algeria - France Invades and occupies Algeria
1833-1876: Spain - Carlist Wars in Spain
1833: England - Slavery Abolition Act bans slavery throughout the British Empire
1834-1859: Russia - Rebellion led by Imam Shamil in Russian-occupied Caucasus
1834: Germany - The German Customs Union is formed
1834: Spain - Spanish Inquisition officially ends
1835-1836: United States, Mexico - The Texas Revolution in Mexico resulted in the short-lived Republic of Texas