US History Trivia is a knowledge database containing over a thousand study cards on US History. Cards are divided into 11 historical periods in Amerian history, starting from the colonial period. They cover historical figures, locations, social and political events of significant importance. It is a great tool to enhance your knowledge while waiting in line or sitting through boring meeting/lectures. It is also a great gift for your young relatives who are studying for the AdvancePlacement (AP) World History exam.