Iizuka-shi(40205), Chikuho-machi(40425), Honami-machi(40426), Shonai-machi(40427) and Kaita-machi(40428) in Kaho-gun are merged, and Iizuka-shi is newly established.
飯塚市(40205)、筑穂町(40425)、穂波町(40426)、庄内町(40427)、頴田町(40428)が合併し、飯塚市を新設