The American Civil Rights movement it said to have taken place from 1955 until 1968. The first "shot" of the movement was actually the 1948 signing of an Executive order signed by Harry Truman declaring "there shall be equal treatment and opportunity for all persons in the armed services without regard to race, color, religion, or national origin."
 
 
Recommended Resources
Displays a detailed timeline of all of the milestones in the modern civil rights movement in America, beginning with Truman's signature of Executive Order 9981.
http://www.infoplease.com/spot/civilrightstimeline1.html
Historic Places of the Civil Rights Movement
The National Parks Service maintains this website which consists of an overview of the movement, maps of national memorials, parks, and other sites having to do with civil rights, a list of sites organized by state, and other resources.
http://www.nps.gov/nr/travel/civilrights/
The official website of the National Civil Rights Museum, which is located at the Lorraine Motel, where Dr. King was assassinated, offers a list of upcoming events, digital exhibits, and the history of the civil rights movement as well as the museum itself.
http://www.civilrightsmuseum.org/
From the Library of Congress, we learn about the movement for civil rights in America, from the day Truman signed his executive order in 1948 , through desegregation, and into the demonstrations, freedom rides, and sit-ins of the 1950s and 1960s.
http://memory.loc.gov/ammem/aaohtml/exhibit/aopart9.html#09a
The Civil Rights Movement 1955-1965
Chronicles the highlights of the civil rights movement between 1955 and 1965, including the Montgomery bus boycott, the Freedom Rides, the march on Washington, Birmingham, Mississippi, and Selma.
http://www.watson.org/~lisa/blackhistory/civilrights-55-65/