Propaganda and Mass Persuasion: A Historical Encyclopedia, 1500 to the Present by N.J. Cull, D. Culbert, D. Welch

For anyone that studies International Relations or enjoys History, this book sheds light on information that is not taught in ordinary classes or textbooks. It is formatted like an encyclopedia, so it is easy to quickly reference the desired historical event. It's impossible to fully detail the past 500+ years, but this book hits almost all of the major events.