The Montgomery Bus Boycott By PeaceDealer Mar 1, 1955 Arrest of Claduette Colvin Dec 1, 1955 Rosa Parks Arrested Dec 5, 1955 Bus Boycott Begins Period: Dec 5, 1955 to Dec 21, 1956 Bus Boycutt Dec 19, 1956 Segregation of buses ruled unconstitutional Dec 21, 1956 Black People Ride the Bus Again