In this March 21, 1965 file photo, Dr. Martin Luther King, foreground row, fifth from right, waves as marchers stream across the Alabama River on the first of a five day, 50-mile march to the state capitol at Montgomery, Ala.
Photo by AP

50 years since Selma: How much do you know?

Updated

This month marks 50 years since Martin Luther King, Jr., John Lewis, and countless other civil rights luminaries marched in Selma, Alabama to secure the right to vote for African-Americans.

How much do you know about the events of March, 1965?

Stay tuned to msnbc for special coverage honoring the 50th anniversary of Selma.

Explore:

50 years since Selma: How much do you know?

Updated