20th century 61
Conquest, 1519-1540 61
1910-1946 47
Revolution, 1910-1920 34
1988-2000 24
Spanish colony, 1540-1810 22
1821-1861 20
1485-1547 19
1867-1910 13
Wars of Independence, 1810-1821 13
Tertiary 12
To 1519 11
1946-1970 10
To 1810 10
1970-1988 9
1994- 9
19th century 9
To 1846 9
1810-1821 8
21st century 8
1970-1994 7
1982-1994 7
1830-1915 6
1878-1923 6
2000- 6
To 1848 6
1651-1695 5
16th century 5
17th century 5
1879-1919 5
1886-1957 5
1918- 5
1970- 5
1970-1982 5
Conquest, 1522-1548 5
Cretaceous 5
European intervention, 1861-1867 5
Peasant Uprising, 1994- 5
Precambrian 5
Revolution, 1835-1836 5
1783-1824 4
1810- 4
1873-1913 4
1895-1970 4
18th century 4
Republic, 1836-1846 4
1540-1810 3
1753-1811 3
1765-1815 3
1794-1876 3
1806-1872 3
1832-1867 3
1859-1920 3
1873-1922 3
Mesozoic 3
approximately 1480-1520 3
1510-1554 2
1782-1831 2
1805-1852 2
1840-1927 2
1852-1913 2
1899-1978 2
1905-1983 2
1910-1969 2
1911-1979 2
1913-1921 2
1922- 2
1937- 2
1938-2010 2
1946- 2
1959- 2
1988- 2
1989- 2
2000 2
2001-2010 2
American occupation, 1914 2
Cambrian 2
Cenozoic 2
Civil War, 1861-1865 2
Civil War, 1936-1939 2
Punitive Expedition into Mexico, 1916 2
Quaternary 2
-1582 1
-1781 1
-1798 1
1451-1504 1
1452-1516 1
1485?-1541 1
1495?-1525 1
1500-1558 1
1506-1552 1
1527-1598 1
1587-1663 1
1657-1726 1
1671-1720 1
1672-1720 1
1694-1741 1
1712-1778 1
1717-1779 1
1730-1791 1