Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic and Architectural Complex of the Kazan Kremlin' has mentioned 'Bulgaria' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Built on a site inhabited since very ancient times, the Kazan Kremlin dates back to the Islamic period in the history of Volga Bulgaria, the Golden Horde and the Kazan Khanate. | UNESCO |
| In the 12th century, a white stone fortress was constructed, and the city became an outpost on the northern border of Volga Bulgaria. | UNESCO |