Reign

Roman emperor 
Valerian and Gallienus 
253 
260 
http://nomisma.org/id/valerian 
http://nomisma.org/id/gallienus 
http://viaf.org/viaf/37709520 
http://viaf.org/viaf/10637212 
 
2,963
18,595
List of all reigns View cities on a map