Unit 3. timeline (Spain 19th century) 1815-1874 By Veroo16 Period: 1814 to 1833 The reign of Fernando VII Absolutism was restored Period: 1814 to 1820 The absolutist phase Apr 12, 1814 The "persian Manifesto" Period: 1820 to 1823 The liberal phase Period: 1823 to 1833 The omnious decade Period: 1833 to 1868 The reign of Isabel II Period: 1833 to 1839 The first Carlist War Period: 1833 to 1843 The Regency Period Period: 1846 to 1849 The second Carlist War Period: 1868 to 1874 The Democratic Sexennium Period: 1868 to 1870 The provisional government 1869 Constitution of 1869 Period: 1871 to 1873 The constitutional monarchy Period: 1872 to 1876 The third Carlist War Period: 1873 to 1874 The first Republic