Complex sentence: It was established in 2007, after Dinagat Islands was established as a province on December 2,2007 and it was part of the representation of Surigao del Norte.
Split into simpler sentences: It was established in 2007, after Dinagat Islands was established as a province on December 2,2007. From 1907 until its reestablishment in 2007, it was part of the representation of Surigao del Norte.