How long did it take for the 14th amendment to pass?

The 14th Amendment to the United States Constitution was proposed on June 13, 1866, and it took nearly three years to pass. It was officially ratified on July 9, 1868, after being approved by the necessary number of states. The amendment aimed to secure citizenship and equal protection under the law for all individuals born or naturalized in the United States, significantly impacting civil rights.