The Commonwealth of Nations was originally the British Commonwealth and consists of 53 member states, most of which were once part of the British Empire. Their goals are outlined in the Singapore Declaration and include promotion of democracy and human rights and world peace.
 
 
Recommended Resources
About.com: Commonwealth of Nations
Detailed article about the history of the organization with links to similar articles on About.com.
http://geography.about.com/od/politicalgeography/a/commonwealth.htm
The Commonwealth Foundation is a funding organization in support of collaboration within both the governmental and non-governmental sectors of the Commonwealth.
http://www.commonwealthfoundation.com/
Extensive site provides information about the Commonwealth itself, the member states, the Secretary-General, and various Divisions and units. Further details include the timeline of the organization, videos about items of interest, and blogs.
http://www.thecommonwealth.org/
Commonwealth Telecommunications Organization
The web site for the Commonwealth Telecommunications Organization includes both event and meeting calendars, as well as contact and member information.
http://www.cto.int/
Consists of information about the Commonwealth, its members, and beliefs as well as a yearbook of members.
http://www.commonwealthofnations.org/