Example image of eyePlorer eyePlorer map for 'Constitutional amendment': Referendum Initiative Australia Denmark Japan Republic of Ireland Switzerland United States General election Iceland Netherlands Norway Vermont Wisconsin Constitutional convention (political meeting) United States Constitution Amendments to the Constitution of Canada Constitution of Canada Parliament of Canada Provinces and territories of Canada Constitution of France Massachusetts Supermajority Lithuania Bill (proposed law) Estonia Act of Parliament Joint resolution President of the United States Implied repeal Venezuela Constitution of Austria European Convention on Human Rights Treaty Judicial review 2008 Amendments to the Constitution of Russia Amendments to the Constitution of Ireland List of amendments to the United States Constitution List of methods of constitutional amendment List of national constitutions Referendums in Australia April Novelization August Novelization Balanced Budget Amendment Balanced Budget Veto Amendment Bill of Federalism Blaine Amendment California Marriage Equality Act California Proposition 209 (1996) California Proposition 39 (2000)