Date of Birth: 
About Đặng Sỹ
- Major Matthew Sy Dang, (Vietnamese: Matheo Ð?ng S?; July 29, 1929 – November 11, 2006) was an officer in the Army of the Republic of Vietnam.
- He acquired a degree of infamy for ordering his soldiers to open fire on a crowd of Buddhists demonstrating against a ban on the Buddhist flag, leading to the Hu? Vesak shootings in which nine people died.
- This sparked the Buddhist crisis and downfall of Ngô Ðình Di?m.
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