1781
The constitutional convention occurred second.
27 have been ratified
the Bill of Rights is ratified.
Rhode Island
Twelve Constitutional amendments were proposed in September 1789. The third through twelfth became the first ten Amendments when they were ratified in December 1791, and the second proposal became the 27th Amendment when it was ratified in May 1992.
The constitutional convention occurred second.
The only constitutional amendment ratified by approval of conventions in three-fourths of the states is the 21st Amendment. Ratified in 1933, it repealed the 18th Amendment, which had established Prohibition in the United States. The 21st Amendment was unique in that it was the first and only amendment to be ratified by state conventions rather than by state legislatures.
New Hampshire
The twentieth amendment was ratified in 1933.
The Bill of Rights is the name given to the first ten ratified Constitutional Amendments.
2/3 vote
The first Constitution of the United States was ratified in 1787. Only two delegates showed up for the first meeting to ratify in May, so they waited until seven delegates showed up several months later.