152
world-war-two
× 10 |
63
soviet-union
× 5 |
37
africa
× 2 |
24
vikings
× 3 |
142
economy
× 11 |
59
ancient-egypt
× 6 |
32
ancient-rome
× 4 |
24
genocide
× 2 |
123
ancient-history
× 12 |
59
roman-empire
× 5 |
32
middle-east
× 3 |
24
turkey
× 2 |
119
religion
× 11 |
55
communism
× 5 |
31
ancient-greece
× 4 |
24
royalty
|
112
20th-century
× 11 |
55
exploration
× 4 |
31
christopher-columbus
× 3 |
24
royal-succession
|
108
middle-ages
× 6 |
45
military
× 6 |
31
16th-century
× 2 |
24
antarctica
|
103
germany
× 7 |
44
bible
× 5 |
30
age-of-discovery
× 2 |
24
geography
|
94
poland
× 4 |
44
technology
× 3 |
28
israel
× 3 |
24
archaeology
|
82
nazi-germany
× 3 |
43
british-empire
× 2 |
28
ottoman-empire
× 2 |
22
war
× 4 |
81
hitler
× 3 |
38
europe
× 7 |
27
roman-republic
× 2 |
22
nazism
|
69
jews
× 7 |
38
17th-century
× 2 |
26
catholic-church
× 2 |
21
science
× 3 |
65
united-states
× 5 |
37
india
× 8 |
25
americas
× 2 |
21
social-history
|
64
christianity
× 4 |
37
reformation
× 2 |
25
colonization
× 2 |
20
islam
× 3 |