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Hace 4 días · 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 6 días · A military coup in 1820 led by Rafael del Riego forced Ferdinand to accept the constitution again, which went back into force until French intervention in 1823 re-asserted absolutist rule again. The reinstatement of the constitution was a major factor in propelling New Spain's elites to support independence in 1821.
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 3 días · Beethoven's status was confirmed by the series of Concerts sprituels given in Vienna by the choirmaster Franz Xaver Gebauer in the 1819/1820 and 1820/1821 seasons, during which all eight of his symphonies to date, plus the oratorio Christus and the Mass in C, were performed.
Hace 3 días · The ice shelves of Antarctica were probably first seen in 1820, during a Russian expedition led by Fabian Gottlieb von Bellingshausen and Mikhail Lazarev. The decades that followed saw further exploration by French, American, and British expeditions. The first confirmed landing was by a Norwegian team in 1895.
- 14,200,000 km², 5,500,000 sq mi
- <0.01/km², <0.03/sq mi
- 1,000 to 5,000 (seasonal)
- .aq
Hace 5 días · The 1830s (pronounced "eighteen-thirties") was a decade of the Gregorian calendar that began on January 1, 1830, and ended on December 31, 1839. In this decade, the world saw a rapid rise of imperialism and colonialism, particularly in Asia and Africa. Britain saw a surge of power and world dominance, as Queen Victoria took to the throne in 1837.
Hace 6 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.
