Italian Civil War

Losses

 * 1) Coda Reformition Army, 23,000,000+
 * 2) Coda-Swiss Freedom Corps, 5,000,000+
 * 3) Kingdom Of Italy, 12,000,000+

In total around 40 million people died on both sides of the war. The war was the 2nd deadliest war in the world coming behind WW2's 70+ million deaths