Horrible Histories Ruthless Rulers (2009–2019) Online
- Original Title :
- Ruthless Rulers
- Genre :
- TV Episode / Comedy / Family / History
- Year :
- 2009–2019
- Type :
- TV Episode
- Time :
- 28min
- Rating :
- 6.7/10
From Vicious Vikings to 20th Century tyrants, experience history's most ruthless rulers.