physics - 1821

Years: 1818 1819 1820 - 1821 - 1822 1823 1824
Decades: 1790s 1800s 1810s - 1820s - 1830s 1840s 1850s
Centuries: 18th century - 19th century - 20th century

1821 was a common year starting on Monday (see link for calendar).

Events

February 23 - The Philadelphia College of Apothecaries founds the first pharmacy college.
March 25 - Greece declares its independence from the Ottoman Empire, beginning the Greek War of Independence.
July 10 - The United States takes possession of its newly-bought territory of Florida from Spain.
July 28 - Peru declares independence from Spain.
August 4 - Atkinson & Alexander publish the Saturday Evening Post for the first time as a weekly newspaper.
September 15 - Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica gain independence from Spain.
September 27 - Mexico gains its independence from Spain.
August 10 - Missouri is admitted as the 24th U.S. state.
November 16 - American Old West: Missouri trader William Becknell arrives in Santa Fe, New Mexico and sells his merchandise for a huge profit (he immediately planned to return the following year over a route that became known as the Santa Fe Trail).
In the first known obscenity case in the United States, a Massachusetts court outlawed the John Cleland novel, Fanny Hill . The publisher, Peter Holmes, was convicted for printing a "lewd and obscene" novel.