It is the Twenty-second Amendment to the United States Constitution that created the two-term limit. The amendment was ratified in 1951.
Yes, President Washington set a precident for a two year term, but it wasn't established untill 1891.
Nineteenth amendment
18
The 22nd Amendment to the United States Constitution set the term limit for President to two consecutive terms. It had remained an unwritten rule until the Presidency of Franklin D. Roosevelt.
amendment to 17th amendment
18th Amendment
There was no article in the U.S. Constitution to address the term limits of the President. The two-term limit was established by the twenty-second amendment.
18th amendment
Seven years is the time limit on state ratification of an amendment.
the 25th amendment
The fifth amendment was ratified in 1791.
The 13th Amendment to the Constitution abolished slavery.