18th century 103
Colonial period, ca. 1600-1775 58
19th century 54
1775-1865 40
To 1775 40
20th century 31
Civil War, 1861-1865 29
Revolution, 1775-1783 28
1775-1783 23
1717-1779 16
1818-1895 15
17th century 14
1564-1616 12
1757-1834 12
1727-1805 11
1861-1865 10
1722-1808 9
1720-1777 7
-1748 6
1667?-1723 6
1722-1774 6
21st century 6
1652-1685 5
1674-1718 5
1677?-1707 5
1707-1754 5
2000-2009 5
French and Indian War, 1754-1763 5
1693-1739 4
1732-1811 4
1741-1811 4
1785-1879 4
1809-1865 4
1817?-1895 4
1865-1950 4
Cretaceous 4
1600-1775 3
1672-1719 3
1683-1765 3
1694-1778 3
1715-1785 3
1728-1786 3
1736-1823 3
1737-1832 3
1758-1833 3
1783-1865 3
1939- 3
1978- 3
Civil war 3
ca. 1605-1675 3
-1809 2
1622-1673 2
1653?-1692 2
1660-1746 2
1687?-1743 2
1699-1751 2
1700-1799 2
1702-1782 2
1714-1778 2
1714?-1782 2
1722-1797 2
1728-1793 2
1731-1782 2
1732-1799 2
1747-1833 2
1751-1816 2
1753-1816 2
1755-1807 or 1808 2
1759-1821 2
1764-1836 2
1802-1857 2
1807-1870 2
1809-1849 2
1822-1892 2
1826-1885 2
1834-1918 2
1946- 2
1951- 2
1960-2001 2
1971- 2
Devonian 2
Eocene 2
Siege, 1862 2
approximately 1841- 2
-1721 1
-1783 1
-1785 1
-1875 1
1600-1799 1
1621 or 1622-1686 1
1630-1685 1
1633-1701 1
1639?-1716 1
1648-1699 1
1650-1702 1
1658-1730 1
1660-1688 1
1662-1694 1
1664-1726 1
1674-1728 1