Title: Astronomical Records in the Chun-Chiu Chronicle Authors: Stephenson, F. R. & Yau, K. K. C.
14th year (of Duke Hsi), spring, in the king's first month, day wu-shen, the first day of the month, stones fell in Sung; there were five (of them). This date corresponds to Dec 24 in 645 B.C. The state of Sung lay to the southwest of Lu and shared a common border with it. The Tso-chuan asserts that the objects were falling stars.