The discovery of a remarkable artifact from centuries ago among tens of thousands of medieval objects found in Sweden has thrilled archaeologists.Nearly 30,000 objects were discovered during the two-year excavation of medieval Kalmar, according to the Archaeologists, which is part of the government's National Historical Museums. Among the unique finds was a gold ring in almost new condition.Carved with the figure of Christ, the ring dates to the beginning of the 15th Century, according to the agency. Based on its size, researchers said it's possible that a woman may have worn the ring. Other rings like it have been discovered...