On 1 December, Rosa Parks refused to give her seat to a white man on a bus in Montgomery, AL. Bus segregation ordinance declared unconstitutional by a federal court following boycott and NAACP protest.
Richert, Lucas Paul. "Rosa Parks refuses to give up her seat on a bus in Alabama". The Literary Encyclopedia. First published 01 October 2008
[http://www.litencyc.com/php/stopics.php?rec=true&UID=3277, accessed 25 November 2015.]