Mehmet Talat Pasa

Reign: 1913-1918

Historians believe that Talat Pasa was the leading figure in the Armenian genocide. As minister of the interior, he was reportedly responsible for the deportation and ultimately the deaths of some 600,000 Armenians.

He was assassinated in Berlin in 1921 by an Armenian. As an unusual bit of history, Adolf Hitler sent his body back to Istanbul in 1943, hoping to persuade Turkey to join the Axis powers in World War II.

Source: Britannica, The Independent