Wikipedia, the free encyclopedia; http://en.wikipedia.org/wiki/Marcomannic_Wars Marcomannic Wars Part of the Roman-Germanic Wars Date 166– 180 AD Location Germania along the Upper Danube , Pannonia and Dacia Result Roman victory Territorial changes Germanic invasion of the Danube frontier thwarted Belligerents Roman Empire Marcomanni , Quadi , Naristi , Cotini and other Germanic