By virtue of Republic Act No. 4221, the majority of voters during the
1965 Samar division plebiscite ratified the division of the old province of
Samar into three:
Northern Samar,
Western Samar, and
Eastern Samar. The first local officials of the new provinces, including the provincial board, were elected on November 14, 1967, with the law taking effect, and took office on January 1, 1968. == Apportionment ==