Assertion: empire's ruler | /r/CapableOf | become after soumaoro's defeat
Facets:
value: at the battle of kirina
type: TEMPORAL
value: in 1235
type: TEMPORAL
Source sentences:
text: After Soumaoro's defeat at the Battle of Kirina in 1235 (a date again assigned arbitrarily by Delafosse), the new rulers of Koumbi Saleh became permanent allies of the Mali Empire.