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Hace 1 día · 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 · 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 3 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 6 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 3 días · 8 January: The first soup kitchens are opened in London. [1] 13 January: The Royal Institution is granted a royal charter. [2] 22 March: The Company of Surgeons is granted a royal charter to become the Royal College of Surgeons in London. [2] 15 May: George III survives 2 assassination attempts in London.
Hace 3 días · The major constitutional changes included a reform of Parliament, and a sharp decline in the power and prestige of the monarchy. The Prince regent, on becoming King George IV in 1820 asked Parliament to divorce his wife Queen Caroline of Brunswick so that he could marry his favourite lover.
Hace 5 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.
