Undated handout photo issued by University of Leicester of the earliest surviving portrait of Richard III in Leicester Cathedral. King Richard III, the last Plantagenet, ruled England from 1483 until he was defeated at the Battle of Bosworth in 1485. PRESS ASSOCIATION Photo. Issue date: Friday August 24, 2012. Archaeologists are hoping to find the lost grave of a medieval monarch in a dig set to get under way today. In what is believed to be the first-ever archaeological search for the lost grave of an anointed King of England, experts from the University of Leicester are set to begin their quest to find the site of a church where it is believed King Richard III was buried in the city more than 500 years ago. See PA story HISTORY Richard. Photo credit should read: University of Leicester/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.