The discovery of an asteroid crater in the Italian Apennine mountains has prompted speculation that it may have been the cause of the legendary conversion of the Roman Emperor Constantine.(News)(asteroid could have been the vision seen by Constantine)(Brief Article)

From: History Today | Date: September 1, 2003 | Copyright information

The discovery of an asteroid crater in the Italian Apennine mountains has prompted speculation that it may have been the cause of the legendary conversion of the Roman Emperor Constantine. Swedish geologist Jens Ormo noticed the abnormally round lake, thought to date from the fourth or fifth century, in the Sirente-Velino Regional Park while studying photographs....