There is one main difference, that makes UN recognizes Gibraltar as a colony and not Ceuta and Melilla: days before Gibraltar was conquered 100% of the people t

There is one main difference, that makes UN recognizes Gibraltar as a colony and not Ceuta and Melilla: days before Gibraltar was conquered 100% of the people that lived there was moved out. This is why Gibraltar is a colony and Ceuta and Melilla not. So I don't have clear opinion if people in Gibraltar should have auto-determination or not.