The U.S. Presidents 对比 Constitution for iPhone 的使用情况和统计数据

Revise the history of the presidents of the United States. From the American revolution leader to the modern 21st century leader, check out their biography offline, and even more detail online from Wikipedia. Features: • Brief information and more detail biography • Deeper detail wikipedia online information • Include presidents best quotes and fun fact • Also understand president born date, died date, born name, in office year, vice president name, jobs before and after presidency • View presidents portrait in fullscreen • Direct search images and view YouTube videos • Nice layout design