Example image of eyePlorer eyePlorer map for 'Devolution': Region De jure Federalism Unitary state Repeal Constitution Federacy Legislation Referendum Simple majority Wales Northern Ireland Assembly Scottish Parliament Scottish devolution referendum, 1979 Supermajority Welsh devolution referendum, 1979 United Kingdom Daniel O'Connell Repeal Association Act of Union (1800) Charles Stewart Parnell Irish Parliamentary Party Isaac Butt William Shaw (Irish politician) Government of Ireland Act 1920 Home Rule Act 1914 Irish Home Rule bills World War I Irish nationalism Ulster Covenant Ulster Unionist Party Ulster Volunteer Force Anglo-Irish Treaty Irish Free State Northern Ireland Republic of Ireland Southern Ireland House of Commons of the United Kingdom Irish Government Bill 1886 Dublin Easter Rising House of Lords Irish Government Bill 1893 Parliament Act 1911 Belfast Agreement Northern Ireland peace process Democratic Unionist Party Gerry Adams Ian Paisley Sinn Féin