Era
1600-1750
2
1600-1865
1
1693-1770
2
1700-1799
5
1700-1899
2
1719-1765
1
1732-1782
1
1732-1799
2
1734-1818
2
1734-1820
1
1735-1800
2
1736-1820
1
1738-1824
1
1742-1823
1
1743-1791
1
1743-1823
1
1744-1811
1
1749-1802
1
1750-1815
9
1754-1763
2
1755-1836
1
1763-1765
1
1763-1808
3
1763-1813
1
1765-1843
1
1767-1853
1
1770-1812
1
1772-1839
1
1775-1783
2
1781-1856
3
1783-1815
1
1783-1863
1
1783-1865
1
1787-1865
3
1790-1794
8
1796-1890
1
17th century
1
1800-1899
8
1811-1888
1
1821-1888
1
1852-1936
1
1853-1913
2
18th century
11
1900-1999
1
1933-1945
1
19th century
18
20th century
2
Civil War, 1861-1865
2
Colonial period, ca. 1600-1775
4
Devonian
1
more ...