On January 27, 1951, according to law n.613, Matinhos became a district belonging to Paranaguá, and on June 12, 1967, it officially became a town unattaching itself from Paranaguá.
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In August 1931 the region received a visit from the governor of Paraná, Carlos Cavalcanti, who went from Paranaguá to Caiobá in a waggon.