there was actually a small part of kashmir that was claimed by china, and pakistan gave it to them to appease them. i think this was in the 70's.
anyone with a genuine interest in this dispute could do worse than look at these links, one pro-pakistani, the second pro-Indian.
http://www.pak.gov.pk/public/kashmir/facts-kashmir.htm
http://www.jammu-kashmir.com/basicfacts/basics.html
its hard to find anything impartial, but if you see both then you can make your own mind up.
