Stalin
+++
Chairman Mao, Adolf Hitler and Pol Pot were also responsible for huge death-tolls, for different reasons.
Stalin
Josef Stalin
Stalin's Purges: he killed thousands of people that were against, and even for his party because he was afraid someone would try and usurp his "honorably earned" throne.
If you study the history of Stalin, he was indeed responsible for the execution of millions.
millions millions
Millions upon millions
The disease that killed millions of people was carried by Bubonic plague and was carried by rats.
Millions upon Millions.
true he killed millions because they were disabled or black or Asian
Millions of Polish Jews were killed in the Holocaust.
Spanish flu killed millions of people during the 1918-1919 pandemic.
There was well over 6 million Jews that were killed.