King Harold II, the last Anglo-Saxon king of England, has long been thought to have been killed at the Battle of Hastings in 1066. But British archaeologists are to test a theory he survived on the anniversary of the famous battle this Tuesday. The battle, on Oct. 14, 1066, marked a turning point in British history as the Normans conquered medieval England. There are different accounts of how he was killed, one of them pictured in the Bayeux Tapestry, which appears to have him gripping an arrow that had pierced his eye. Another account has Harold being killed by knights...