In World War I, 53,000 Americans died. One of them may have been your ancestor. The reasons behind this conflict and its impact on world history influence daily life today. But you’d be hard pressed to learn any of this on U.S. college campuses.

April 6 is the 100th anniversary of America entering WWI. Yet more than 81 percent of colleges do not require a course in U.S. government or history. This includes Princeton, which Woodrow Wilson led before he became president and commander-in-chief during WWI.