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Hace 19 horas · In 1820, the Spanish royal army brigadier Agustín de Iturbide changed sides and proposed independence, issuing the Plan of Iguala. Iturbide persuaded insurgent leader Vicente Guerrero to join this new push for independence.
Hace 4 días · 1846 – The United States and Great Britain sign the Oregon Treaty. 1847 – Abraham Lincoln introduces himself to the world by his introduction of the Spot Resolutions in the House. 1847 – Battle of Buena Vista. 1847 – Battle of Veracruz. 1848 – The Treaty of Guadalupe Hidalgo ends the Mexican–American War.
Hace 5 días · 1820: Discovery of Antarctica. 1820: Liberia founded by the American Colonization Society for freed American slaves. 1820: Dissolution of the Maratha Empire. 1821–1823: First Mexican Empire, as Mexico's first post-independence government, ruled by Emperor Agustín I of Mexico.
Hace 4 días · First practical means of collecting energy from the Sun and turning it into a current of electricity. 1955: The hovercraft is patented by Christopher Cockerell. 1955: The intermodal container is developed by Malcom McLean. 1957: The laser and optical amplifier are invented and named by Gordon Gould and Charles Townes.
Hace 2 días · In 1820, an expedition intended for the colonies revolted in Cadiz. When armies throughout Spain pronounced themselves in sympathy with the revolters, led by Rafael del Riego , Ferdinand was forced to accept the liberal Constitution of 1812.
Hace 3 días · 1820 Savannah yellow fever epidemic 1820 Savannah, Georgia, United States Yellow fever: 700 1821 Barcelona yellow fever epidemic 1821 Barcelona, Spain Yellow fever: 5,000–20,000 Second cholera pandemic: 1826–1837 Asia, Europe, North America Cholera: 100,000+ 1828–1829 New South Wales smallpox epidemic 1828–1829
Hace 4 días · In the early months of the American Revolution, the first regular U.S. fighting force, the Continental Army, was organized by the Second Continental Congress on June 14, 1775. It comprised the 22,000 militia troops then besieging Boston and an additional 5,000 militiamen in New York. It was placed under the control of a five-member civilian ...
