CIIC:Selected anniversaries/September 20
From Wiki China org cn
1865: The Jiangnan Arsenal was set up.
1950: The National Emblem of the People's Republic of China was issued.
1954: The Constitution of the People's Republic of China was enacted
1958: The University of Science and Technology of China was established.
1981: China successfully launched three satellites using a single rocket.
1986: China built its first modern offshore oil production platform
1986: China built a man-made ocean
1987: First email sent from China over the Internet