Since the advent of their pioneering activism, which spanned the 1960s, many books have been written to commemorate their successes, but the first one that was published in 1964 by one of their few adult advisers was Howard Zinn's SNCC: The New Abolitionists.
Length of Vietnam War http://en.wikipedia.org/wiki/Vietnam_War According to wikipedia, it was fought for 11 years against France between 1946-1957 and 18 years against the U.S. between 1957-1975. Exact dates are sketchy.
How many years did world war 2 last for? 6 years, from September 1st, 1939 with the German invasion of Poland up until VE Day (Victory in Europe) on May 8th, 1945 and/or VJ Day (Victory in Japan) on August 14th 1945.