Cartista was a Portuguese form of Chartism which arose after the Portuguese Liberal Revolution of 1820. Members supported the Constitutional Charter of 1826 granted by Peter IV of Portugal, which was an attempt to reduce the conflicts created by the revolution. This was a less radical charter than the Constitution of 1822. Portuguese chartism was quite different from both European and British chartism, and was in some ways antithetical, as they believed in a liberal-conservative ideology. A scathing contemporary description defined them as either personal enemies of Don Miguel, or were simply acting out of self-interest. By 1851, the chartists successfully carried out a military coup against Cabral. The party became part of a power-sharing agreement with Partido Progressista, which became