Era
20th century
6
1900-1999
3
19th century
3
1700-1799
1
1728-1814
1
1800 - 1899
1
1800-1878
1
1800-1899
1
1800-1999
1
1805-1900
1
1811-1896
1
1819-1910
1
1822-1907
1
1860-1935
1
1876-1916
1
18th century
1
1900-2099
1
1914-1939
1
1950-2006
1
1959-
1
21st century
1
Civil War, 1861-1865
1
Revolution, 1775-1783
1