Era
Revolution, 1775-1783
26
1775-1783
24
20th century
22
1900-1999
13
Civil War, 1861-1865
11
1861-1865
9
18th century
9
1564-1616
8
1700-1799
8
17th century
8
19th century
8
1600-1699
7
Siege, 1775-1776
7
1775
6
1776
6
1452-1485
5
1542-1587
5
1800-1899
5
1939-1945
5
-30 B.C.
4
1483-1485
4
332-30 B.C.
4
Germanic Invasions, 3rd-6th centuries
4
Mary Stuart, 1542-1567
4
Revolution, 1789-1799
4
Richard III, 1483-1485
4
1738-1775
3
1777
3
1789-1799
3
1791-1804
3
1917-1921
3
1918-1945
3
83 B.C.?-30 B.C.
3
Civil War, 43-31 B.C.
3
Revolution, 1791-1804
3
Revolution, 1917-1921
3
To 1057
3
1284-1327
2
1367-1413
2
1387-1422
2
1421-1471
2
1478-1535
2
1533-1603
2
1542-1567
2
1558-1603
2
1585 or 1586-1639
2
1600-1775
2
1735-1826
2
1741-1801
2
1744-1818
2
more ...