Apr 5. National holiday since 1972. According to Chinese custom, the tombs of ancestors are swept “clear and bright” and rites honoring ancestors are held. Tomb-Sweeping Day is observed Apr 5, which is also the anniversary of the death of Chiang Kai-Shek.

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Chase's Calendar of Events 2011. Copyright © 2010 by McGraw-Hill Companies, Inc. All rights reserved.