CIIC:Selected anniversaries/April 25
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Revision as of 02:41, 29 October 2010 by imported>Ciic (moved CIIC:Selected anniversaries/April 25, 2010 to CIIC:Selected anniversaries/April 25)
1961: China established diplomatic relations with Laos.
1997: China ratified the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction (CWC).
2001: National Astronomical Observatories (NAOC) were founded.