World Water Day
http://nraonid.blogspot.com/2012/04/world-water-day-22nd-march.html
http://www.unwater.org/water-cooperation-2013/home/en/
http://waterday.org/
http://www.un.org/en/events/waterday/
Beatles release their first album
History Events Video
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22 March Knowledge History - Science, Engineering and Management
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