Era
20th century
56
Revolution, 1775-1783
32
19th century
16
1829-1906
10
Colonial period, ca. 1600-1775
9
Civil War, 1861-1865
8
18th century
6
1473-1543
5
1732-1799
5
1775-1783
5
1850-1917
5
1865-1900
5
1882-1947
5
1839-1905
4
1917-
4
Revolution, 1848-1849
4
1706-1790
3
1737-1832
3
1761-1824
3
1770-1840
3
1775-1783 (Révolution)
3
1802-1894
3
1814-1861
3
1834-1921
3
1856-1924
3
1858-1935
3
1865-1950
3
1869-1940
3
1878-1968
3
1885-
3
1900-
3
1903-
3
1904-
3
1908-
3
1910-
3
1912-
3
To 1775
3
1709-1796
2
1714-1770
2
1735-1815
2
1745-1803
2
1756-1818
2
1757-1834
2
1803-1880
2
1803-1889
2
1808-1889
2
1810-1880
2
1811-1860
2
1811-1876
2
1811-1884
2
more ...