The United States Congress passes twelve constitutional amendments: the ten known as the <a href="https://en.wikipedia.org/wiki/United_States_Bill_of_Rights" id="mwSQ" rel="mw:WikiLink" title="United States Bill of Rights">Bill of Rights</a>, the (unratified) <a href="https://en.wikipedia.org/wiki/Congressional_Apportionment_Amendment" id="mwSg" rel="mw:WikiLink" title="Congressional Apportionment Amendment">Congressional Apportionment Amendment</a>, and the <a href="https://en.wikipedia.org/wiki/Twenty-seventh_Amendment_to_the_United_States_Constitution" id="mwSw" rel="mw:WikiLink" title="Twenty-seventh Amendment to the United States Constitution">Congressional Compensation Amendment</a>.