Assertion: czar | /r/HasProperty | title
Facets:
Source sentences:
text: Tsar ( or ), also spelled czar, or tzar or csar, is a title used to designate East and South Slavic monarchs or supreme rulers of Eastern Europe, originally the Bulgarian monarchs from 10th century onwards, much later a title for two rulers of the Serbian State, and from 1547 the supreme ruler of the Tsardom of Russia and the Russian Empire.