 Shamil returned a year later, only to have Gamzat-bek  assassinated by the same Avar Khanates he had defeated.
<meaning-changed>  Shamil returned a year later, only to have Gamzat-bek  assassinated by the same Avar Khanates he had defeated.
 Shamil returned a year later, only to have Gamzat-bek was assassinated by the same Avar Khanates he had defeated.