SHARECOMMENTMORE

WASHINGTON (WUSA) -- The U.S. Postal Service is honoring civil rights activist Rosa Parks with a forever stamp.

It is available today. It would have been Parks' 100th birthday.

ORDER the stamp here:USPS Rosa Parks Forever Stamp

Rosa Parks was born Rosa Louise McCauley in Tuskegee, Alabama on Feb. 4, 1913.

In 1955, she refused to give up her seat on a Montgomery, Alabama city bus to a white man. Her action helped spark a civil rights revolution.