Passed by Congress in 1972 and sent to the states. Approved by 35 of the 38 states needed for ratification:
The Equal Rights Amendment
Section 1. Equality of rights under the law shall not be denied or abridged by the United States or by any state on account of sex.
Section 2. The Congress shall have the power to enforce, by appropriate legislation, the provisions of this article.
Section 3. This amendment shall take effect two years after the date of ratification.