As we celebrate the nation’s 250th birthday, test your civics knowledge and see how your score compares to others.

America is turning 250... but how much do you really know about its rich history? We've put together the ultimate America 250 quiz - 25 questions spanning the full sweep of US history, from the first ...

World history classes have only a limited amount of time during the school year to cover millennia of important events. It makes sense, then, that some things aren't taught in school. That can make ...