Assertion: dynasty's emperor | /r/HasProperty | xuanzong
Facets:
Source sentences:
text: In the second half of the 8th century, however, rebellion broke out in the northeast and spread rapidly, forcing the emperor Xuanzong to flee west to Sichuan .
text: Wu Zetian is China's only female ruler, and even though she is still seen as a very controversial figure today, her reforms laid the foundation for the later success of the great emperor Xuanzong (r. 712-756 CE).