10 notorious rulers in world history and cruel acts that made them infamous

Whether driven by power, conquest, or fear, these leaders left indelible marks on the world, often at the expense of countless lives.

Here's a look at ten of the most notorious chiefs in world history, whose actions earned them a place among the cruelest rulers. 1.

King Leopold II of Belgium (1835-1909) King Leopold II of Belgium Pulse Ghana Leopold II is remembered for one of the darkest periods in colonial history.

His personal rule over the Congo Free State led to the exploitation of millions of Africans in pursuit of rubber and ivory.