An amendment to the constitution can be ratified by either a two-thirds majority vote in both the House of Representatives and the Senate, or by a constitutional convention called for by two-thirds of state legislatures.
The last amendment, which is the 27th Amendment to the United States Constitution, was ratified in 1992.
The XVI Amendment to the Constitution was ratified in 1913 (Income Tax).
It was ratified in July 28, 1868.
The 13th amendment to the US Constitution was ratified by a majority of states December 6, 1865.
Your question is very confused. Amendments are ratified, they do not ratify.
The 19th US constitutional amendment was added to the Constitution 1919 June 4, implicitly giving women the right to vote in US national elections.
The US Constitution was a joke from January 29, 1919, when the 18th amendment was ratified, until December 5, 1933, when the 21st amendment was ratified.
1791 The first amendment to the constitution was in 1791. It allowed the freedom of speech.
Never.
The eighth amendment to U.S. Constitution was ratified December 15th, 1791.
The 14th amendment to the USA was ratified in July 28, 1868
Amendments to the constitution must be ratified by the states. To become part of the Constitution the Amendment must be approved by three-fourths of the states.