http://en.wikipedia.org/wiki/List_of_territorial_disputes#cite_ref-32This dispute originated in a 1880 imperial decree. In 1920 a solution to the dispute was arbitrated but in practice it was never carried out. In 2008 there were new attempted negotiations, but they broke down in 2011, and as of 2013 it is pending either a supreme court decision, a referendum or a possible mutual agreement.