mate and wood. In 1904, when Ernesto Guimarães Villela was mayor, the electric lighting system provided by Guimarães' company Ericksen & Filho was inaugurated and the water and sewage system designed and supervised by engineers Alvaro Souza Martins and Jacob Schamber has implemented it only concluded with funding from the state government by Mayor Teodoro Batista Rosas. The centennial of the foundation was celebrated in the administration of the mayor Brasílio Ribas. On 17 October 1930, Getúlio Vargas and his troops arrived at the train station, which would remain in the republic for fifteen years. On this occasion Getúlio walked through the city streets alongside Lieutenant-Colonel Galdino Luís Esteves and Aristides Krauser do Canto, being cheered by the population who waved red handkerchiefs and flags, symbols of the revolution. Until the 1950s, Ponta Grossa was the main city in the interior of the state of Paraná, due to the railways, factories processing the yerba mate, leather and wood processing as well as ceramics workshops, among which the production of bricks. This changed when cities were emerging in the north of the state (for example: Londrina and Maringá) attracted by the coffee economy. Even with the prominence that the cities of the north had been obtaining and other cities that appreciated the construction of highways, the axis Ponta Grossa-Curitiba would have been important in the dynamics of the coffee flow. In addition to banking, administrative and commercialization of manufacturing and primary resources. Although it is also affected when there were economic problems in the cultivation of coffee. The 1970s marked the beginning of Ponta Grossa industrial phase, linking to the grain and food sector. In 1990, it expanded its tertiary sector, in addition to receiving logistic and production companies due to its geographic role. Ponta Grossa was the birthplace of great names of Paraná politics, being known as "Civic Capital of Paraná" (in English: Civic Capital of Paraná). Administrative division On 5 December 1931, it acquires the old municipality of Conchas that happens to be district (Decree nº 2,439). In letters from 1936 and the following year, Itaiacoca appears as another district that on 31 March 1938 was renamed Cerrado (State Decree-Law No. 6,667), returning to the old name on 20 October of the same year (State Decree- Law No. 5773). On 30 December 1943, Conchas became known as Uvaia (State Decree-Law No. 199). On 11 September 1957, the district of