When did the Battle of Passchendaele start? When was the tank first invented? When was fire invented? When was the steam locomotive invented? When was the toilet invented? When was the shield wall invented? When did Germany surrender in WW1?
When was the first machine gun invented? When did the Battle of Passchendaele start? When did Germany surrender in WW1? When was the rifle invented? When was the tank first invented? When did WWI start and end? When was the flamethrower invented? When was the Battle of Anzio? When did ...