29 November 1927 was declared the head of the municipality (until then it had been part of Cocorit) by the governor Fausto Topete, and in 1928 year in which the first town hall was installed, it was decreed on 28 July of the same year on 28 July of the same year change of name to Ciudad Obregón in recognition of Alvaro Obregón, while the name of the municipality was preserved. That same year the first printing press was installed and it was where the first news weekly called 'The Pacific Gazette', owned by Lithuanian immigrant Leo Rosenfeld and his wife Virginia Gámez, was printed.