35
united-states
× 8 |
7
food
× 3 |
4
economy
|
0
franks
|
20
united-kingdom
|
7
britain
× 2 |
4
technology
|
0
ancient-rome
|
20
ireland
|
7
middle-east
× 2 |
4
political-economy
|
0
south-america
|
20
northern-ireland
|
7
world-war-two
× 2 |
3
ancient-history
× 2 |
0
christianity
|
16
middle-ages
× 4 |
7
africa
|
3
hebrew
|
0
ancient-greece
|
16
israel
|
7
crusaders
|
3
religious-history
|
0
trade
|
15
ukraine
|
7
europe
|
3
great-britain
|
0
japan
|
14
slavery
× 2 |
7
language
|
2
catholic-church
|
0
confederacy
|
11
american-civil-war
× 2 |
7
crusades
|
2
holy-roman-empire
|
0
germanic
|
11
american-revolution
× 2 |
6
famous-people
|
2
pope
|
0
historiography
|
8
20th-century
× 2 |
4
18th-century
|
0
19th-century
|
0
ancient-egypt
|
8
fbi
|
4
france
|
0
native-americans
|
0
disease
|
8
organised-crime
|
4
historical-techniques
|
0
death
|
Mike
