This U.S. History Timeline Activity is a great introduction to any U.S. History course and can also be used as a great end-of-year review! Students will be divided into groups and will be given a set of 19 posters (8 1/2" x 11" size), each of which depicts a different U.S. decade. The posters feature various images and text that describe or depict famous historical events, people, policies, topics, etc. For example, the 1960s poster features the Vietnam War, Civil Rights Movement, Counterculture