Era
20th century
12
1911-1920
2
Middle Ages, 600-1500
2
-1400
1
1160 or 1161-1216
1
1473-1543
1
1564-1642
1
1571-1630
1
15th century
1
1642-1727
1
1791-1872
1
17th century
1
1820-1887
1
1828-1906
1
1879-1955
1
1883-1973
1
1888-1953
1
1893-1976
1
1913-1960
1
1918-1939
1
1918-2008
1
1935-
1
1940-2022
1
1981-1990
1
1986-175 Oliver Ditson
1
1991-2000
1
19th century
1
2001-2010
1
21st century
1
500-1400
1
Civil War, 1936-1939
1
Revolution, 1775-1783
1
To 1500
1
To 622
1