Assertion: empire's reign | /r/HasProperty | defeated by assyrian
Facets:
value: in the process
type: TEMPORAL
Source sentences:
text: According to the Hittitologist Trevor R. Bryce, Mitanni (or Hanigalbat as it was known) was permanently lost to Assyria during the reign of Mursili III of the Hittites, who was defeated by the Assyrians in the process.