Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historical Centre of the City of Yaroslavl' has mentioned 'Principality' in the following places:
Occurrence Sentence Text Source
This principality, of which Yaroslavl became the capital, included a number of territories to the north and operated independently until its eventual absorption in 1463 into the Principality of Moscow.
Until the 13th century, it had belonged to the territory of Rostov Principality and in 1218 it became the capital of Yaroslavl Principality.
The city of Yaroslavl started developing in 1463 when Yaroslavl Principality joined the powerful Moscow state.