Era
20th century
451
19th century
380
Middle Ages, 600-1500
334
17th century
173
18th century
173
16th century
162
Early church, ca. 30-600
162
1182-1226
137
Primitive and early church, ca. 30-600
132
To 1500
62
1194-1253
39
Modern period, 1500-
34
Revolution, 1789-1799
30
To 1763 (New France)
27
1491-1556
24
1248?-1309
23
13th century
20
1801-1890
19
843-1517
19
Civil War, 1861-1865
17
Colonial period, ca. 1600-1775
17
21st century
16
Civil War, 1936-1939
16
1225?-1274
15
1542-1591
15
1761-1850
15
1897-1978
13
12th cent
12
1090 or 1091-1153
11
1066-1485
10
1515-1582
10
1815-1888
10
1918-1945
10
To 987
10
ca. 1217-1274
10
1347-1380
9
14th century
9
1873-1897
9
1920-2005
9
600-1500
9
To 70 A.D.
9
1386-1456
8
1556-1648
8
1669-1739
8
1842-1909
8
1897-1980
8
1915-1968
8
Conquest, 1519-1540
8
1656-1680
7
1694-1775
7
more ...