21.   Ahern said Friday that the Irish Republic is prepared to revise eventually two articles in its constitution that claim sovereignty over the north.

22.   Although it has long claimed sovereignty over the islands, China has recently been more aggressive, posting sailors in small barracks built on some of the islands.

23.   Although Israel claims sovereignty over the entire city, Palestinian residents of east Jerusalem were eligible to vote in the first Palestinian elections in January.

24.   Argentina still claims sovereignty over the South Atlantic archipelago, but Britain has refused to discuss the issue.

25.   Argentina still claims sovereignty over the British South Atlantic colony, which the Argentines call the Malvinas.

26.   Argentina, however, still formally claims sovereignty over the islands it calls Malvinas.

27.   Backed by Hong Kong Chinese nationalists, Taiwan and China claim sovereignty over the uninhabited Diaoyu, or Senkaku group.

28.   Beijing claims sovereignty over the island, and accuses Lee of pursuing a separatist diplomatic path.

29.   Beijing, which claims sovereignty over Taiwan, has protested against the trips and accused Taiwan of trying to advance its own political agenda with the financial offers.

30.   Beijing claims sovereignty over Taiwan and responded to the visit by staging menacing war games in waters near Taiwan.