Category:States and territories established in 1820From Wikipedia, the free encyclopedia Countries portalThis category is for states and territories established in the year 1820. ← 1815 • 1816 • 1817 • 1818 • 1819 • 1820 • 1821 • 1822 • 1823 • 1824 • 1825 →
Countries portalThis category is for states and territories established in the year 1820. ← 1815 • 1816 • 1817 • 1818 • 1819 • 1820 • 1821 • 1822 • 1823 • 1824 • 1825 →