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The Equal Rights Amendment was proposed to guarantee equal rights for women in both 1923 and 1972. The ERA passed Congress and was proposed for ratification on March 22, 1972 with a seven year deadline. By 1978 Illinois, as the only northern state that had not yet ratified, was considered a key state for ratification of the ERA. Supporters held a march on Chicago to encourage the legislature to pass the ERA. More than 4000 people attended and politicians and activists spoke in Daley Plaza. The protest was unsuccessful and Illinois did not ratify the ERA, even by the extended deadline of 1982.
Sources: Two Participants. (1978, June). Rally to pass ERA in Illinois. News and Letters, 23(5), 2.