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Today marks the 100th birthday of civil rights leader, Rosa Parks.
Back in 1955, the south was segregated.
And on December 1 of that year, a 42-year old seamstress refused to give up her seat to a white man on a bus in Montgomery, Alabama and was arrested for it.
That simple act of courage helped spark the civil rights movement in America.
Today, that bus lives in the Henry Ford Museum in Dearborn.