CIIC:Selected anniversaries/April 20
From Wiki China org cn
Revision as of 02:40, 29 October 2010 by imported>Ciic (moved CIIC:Selected anniversaries/April 20, 2010 to CIIC:Selected anniversaries/April 20)
429: Zu Chongzhi, a prominent Chinese mathematician during the Southern and Northern Dynasties period (420-589), was born.
1949: Beijing Film Studio was founded.