millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1 millions died in world war 1