original_query: What is the history of Kazanlak?
query: What is the history of Kazanlak?
answer: Kazanlak's history stretches back to the Neolithic era (6th-5th millennium BCE).  During the 4th-3rd centuries BCE, it was within the Thracian ruler Seuthes III's dominion, and the Thracian city of Seuthopolis was located nearby.  In the Middle Ages, it became an administrative center under Ottoman rule after 1370. The modern city developed from a 15th-century military fortress and grew into a center of crafts, later evolving with textile, aerospace, and military industries after Bulgarian independence. 