Spain in the 19th century: Building a liberal regime By Alex Hernandez ESO Period: 1790 to 1808 Charles IV 1808 Napoleonic invasion 1808 Charles IV Period: 1808 to 1814 Joseph I Bonaparte Period: 1808 to 1814 War of Independence Period: 1808 to 1825 Independence of the Spanish-American colonies 1812 Constitution of Cádiz Period: 1814 to 1833 Ferdinand VII Restoration of Absolutism Restoration, Triennium, Ominous Decade Period: 1833 to 1868 Isabella II Construction of the liberal state Minor (Regency of MC), Moderate Decade, Biennium, Crisis of Isabella's rule. Period: 1833 to 1839 1st Carlist War 1837 Constitution of 1837 1845 Constitution of 1845 Period: 1868 to 1874 Sexenio Democrático G.P., Amadeo, First R. 1869 Constitution of 1869 Period: 1872 to 1876 II Carlist War Period: 1874 to 1885 Alfonso XII Period: 1874 to 1931 Bourbon Restoration 1876 Constitution of 1876 Period: 1885 to 1931 Alfonso XIII Period: 1895 to 1898 Cuban and Philippine Wars