Conversation so far:
who did the montgomery improvement association choose as its leader
Dr. Martin Luther King Jr. was chosen to lead the MIA at the age of 26, with Ralph Abernathy, Jo Ann Robinson, E. D. Nixon, Rufus Lewis at his side.
when was the montgomery improvement association formed
The Montgomery Improvement Association was formed on December 5, 1955 by black ministers and community leaders in Montgomery, Alabama
why was the montgomery improvement association formed
The Montgomery Improvement Association was formed in the days following the December 1955 arrest of Rosa Parks, to oversee the Montgomery bus boycott.
was the montgomery improvement association successful
The MIA was instrumental in guiding the Montgomery bus boycott, a successful campaign that focused national attention on racial segregation in the South and catapulted King into the national spotlight

Question: when did the boycott end
Self-contained rewrite: when did the montgomery bus boycott end