Argentina Sources Notes Polity Style: 1810-2022 Provisional Governments: 1810-1814 Supreme Directors: 1814-1820 Heads of State: 1825-1827 Heads of State: 1852-1943 Heads of State: 1943-1983 Heads of State: 1983-2022 Last updated on: 15 Jun 2018 21:00:00