1925: commencement of operations at the Frontenac, Cléricy, Copper Hill, Bouchard, and Continentale mines
1927: CIP establishes the Dépôt-Cléricy at the junction of the Rouyn railway and the river from Taschereau
1935: founding of the Saint-Joseph-de-Cléricy parish by the first settlers from Saint-Joseph-de-Beauce, who settled in the region thanks to the Vautrin plan
1938: extension of the road to Noranda
1946: arrival of telephone service
1950: electrification
1951: forest fire ravaging over 100 km2
1974: protest to keep the village school open and successful outcome
1978: municipalization
1983: construction of the fire service garage
2002: merger with other municipalities of the MRC