1820 Insurrections in Spain, Portugal, Naples, 1371 Arbitrary action of the Holy Alliance, 1372 England refuses to join the Congress at Troppau, 1373 1821 Popular anger at Castlereagh's weak policy, 1373 Insurrection in Greece, 1374 Complications between France and Spain, 1374 1822 Congress at Verona, 1375 =Canning's policy=, 1375 Partial success of his diplomacy in Spain, 1375 1823 =Changes in commercial policy effected by Huskisson=, 1376 Change of the Navigation Act, 1379 1824 Improvement in the silk trade, 1380 Improvement in the wool trade, 1381 1823 Discussion on slavery, 1382 Effect of Canning's circular in Jamaica, 1382 1824 Persecution of Mr. Smith, 1383 1825 Disastrous effects of wild speculations, 1383 Success of the healing measures of Government, 1384 1826 Temporary change in the corn laws, 1385 Canning's vigorous policy in Portugal, 1386 Division in the ministry, 1387 1827 =Illness of Lord Liverpool=, 1388 =Difficulties attending the formation of a new ministry=, 1388 Disturbances in Ireland, 1389 Wellesley's administration, 1389 1823 The Catholic Association, 1390 1826 Rejection of the Catholic Relief Bill, 1390 1827 Rejection of Burdett's resolution, 1391 =Canning Prime Minister=, 1391 Canning's death, 1393 His character and policy, 1393 =Goderich's ministry=, 1394 1828 =Wellington's ministry=, 1395 =Difficulty of the Turkish question=, 1395 1824 Canning's diplomacy on the subject, 1396 1826 Protocol between England and Russia, 1397 Enthusiasm for Greek independence in England, 1397 1827 Turkey refuses the armistice, 1398 The Treaty of London, 1398 Attempt to enforce the armistice, 1399 =Battle of Navarino=, 1399 Goderich's inaction renders the victory nugatory, 1400