CHICAGO (WLS) -- June 6, 1918, Illinois became one of the first states to ratify the 19th Amendment giving women the right to vote at a federal level.
WATCH: Library of Congress unveils new exhibit celebrating 19th Amendment, suffrage movement
Lawmakers had approved women's voting rights at the state level six years earlier, becoming the first state east of the Mississippi to approve such a measure.
Monday, some of Illinois' most powerful female politicians celebrated the anniversary by wearing white, which is the traditional color worn by women suffragists.
It took more than a year before the federal voting rights amendment became official on August 26th, 1920.
Illinois female lawmakers celebrate 100th anniversary of 19th Amendment
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