Beijing’s claims to nearly all of the South China Sea are now embossed in new Chinese passports and official maps. Chinese leaders and foreign ministry spokespersons insist with increasing truculence that the islands, rocks, and reefs have been China’s “territory since ancient times.” Normally, the overlapping territorial claims to sovereignty and maritime boundaries ought to be resolved through a combination of customary international law, adjudication before the International Court of Justice or the International Tribunal for the Law of the Sea, or arbitration under Annex VII of the United Nations Convention on the Law of the Sea (UNCLOS). While China has ratified UNCLOS, the treaty by and large rejects “historically based” claims, which are precisely the type Beijing periodically asserts. On September 4, 2012, China’s foreign minister, Yang Jiechi, told then U.S. Secretary of State Hillary Clinton that there is “plenty of historical and jurisprudence evidence to show that China has sovereignty over the islands in the South China Sea and the adjacent waters.”
Read more: http://thediplomat.com/2013/08/30/history-the-weak-link-in-beijings-maritime-claims/