Archaeologists have started unearthing human remains from a mass grave near the German town of Lützen, a find that dates back to the Thirty Years' War. "We estimate that there are at least 75 dead, who were buried very close together in several layers," archaeologist Susanne Friederich said on Friday. The Battle of Lützen, which took place in 1632, pitted Swedish soldiers against those under the command of German Roman Catholic general Albrecht von Wallenstein. It was one of the bloodiest battles of the Thirty Years' War, with an estimated 6,500 to 10,000 casualties. The Swedish King Gustavus Adolphus was...