Reign

Roman emperor 
Valerian and Gallienus 
253 
260 
http://nomisma.org/id/valerian 
http://nomisma.org/id/gallienus 
https://pir.bbaw.de/id/3294 
https://pir.bbaw.de/id/3293 
http://viaf.org/viaf/37709520 
http://viaf.org/viaf/10637212 
 
3,058
19,817
List of all reigns View cities on a map