The document summarizes key events in Vietnam between 1954-1975, starting with France becoming the colonial power in Vietnam in the 1800s. It discusses the rise of Ho Chi Minh and the Viet Minh fighting for Vietnamese independence after World War 2. The US became increasingly involved to prevent the spread of communism, but their bombing campaigns and use of defoliants like Agent Orange failed to weaken the Viet Cong insurgency. By 1975, the Viet Cong defeated South Vietnam and unified the country under communist rule.