sentences:  With the passage of the "Local Authorities Act 1902", Pioneer Division became the Shire of Pioneer on 31 March 1903.The Shire of Mirani was established from part of the Shire of Pioneer on 4 September 1913 under the "Local Authorities Act 1902".On 15 March 2008, under the "Local Government (Reform Implementation) Act 2007" passed by the Parliament of Queensland on 10 August 2007, the Shire of Mirani merged with the City of Mackay and Shire of Sarina to form the Mackay Region.