WHAT ALL HAPPENED AUGUST TO OCTOBER 1821
Find out what all happened August to October 1821

Atkinson & Alexander publish The Saturday Evening Post for the first time as a weekly newspaper. (4. August 1821)

Missouri is admitted as the 24th U.S. state. (10. August 1821)

The government of general José de San Martín establishes the Peruvian Navy. (8. October 1821)

Tripolitsa, Greece, is captured by Greek rebels during the Greek War of Independence. (23. September 1821)

The University of Buenos Aires, Argentina, is officially opened. (26. August 1821)

The Treaty of Córdoba is signed in Córdoba, now in Veracruz, Mexico, concluding the Mexican War of Independence from Spain. (24. August 1821)

Mexico gains its independence from Spain. (27. September 1821)

Jarvis Island is discovered by the crew of the ship, Eliza Frances. (21. August 1821)

Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica jointly declare independence from Spain. (15. September 1821)