The United States and Great Britain set the United States and Canadian border at the 49th parallel.
1818
Frankenstein by English novelist Mary Wollstonecraft Shelley is published.
1819
The republic of Colombia, consisting of Venezuela and New Granada, is proclaimed with South American statesman Simón Bolívar as president.
1820
The third volume of poetry, Lamia, Isabella, The Eve of St. Agnes, and Other Poems, by English poet John Keats is published. This volume includes 'Ode on a Grecian Urn' and 'Ode to a Nightingale.'
1821
American sealer Captain John Davis becomes the first person to land on Antarctica.
1821
Mexico becomes independent of Spain.
1821
Sequoyah, or George Guess, completes his invention of a writing system for the Cherokee Nation.
1822
Brazil proclaims its independence from Portugal.
1822
Jean François Champollion deciphers Egyptian hieroglyphics, working from the Rosetta Stone. This is the key to translating ancient Egyptian history and literature.
1823
United States President James Monroe announces U.S. policy toward Latin America in a speech to Congress. What becomes known as the Monroe Doctrine forbids European powers from colonizing the western hemisphere.