 Radiocarbon dating shows that human activity existed until c. 870 at Halin, the Pyu city reportedly destroyed by an 832 Nanzhao raid.The region of Pagan received waves of Burman settlements in the mid-to-late 9th century, and perhaps well into the 10th century.Though "Hmannan" states that Pagan was "fortified" in 849—or more accurately, 876 after the "Hmannan" dates are adjusted to King Anawrahta's inscriptionally verified accession date of 1044—the chronicle reported date is likely the date of foundation, not fortification.