Assertion: empire's people | /r/CapableOf | speak sumerian language
Facets:
Source sentences:
text: Most historians have suggested that Sumer was first permanently settled between c. 5500 and 4000 BC by a West Asian people who spoke the Sumerian language (pointing to the names of cities, rivers, basic occupations, etc., as evidence), a non-Semitic and non-Indo-European agglutinative language isolate.