When he was creating the United Nations, he took care to consult Congress, and the result was a far more enduring success. But the Treaty of Versailles, unveiled with such fanfare, failed in its ...

While Versailles was certainly an important factor in creating the conditions for a new conflict just 20 years later, it is open to question whether it was the most important factor.

Senate rejects peace treaty on Nov. 19, 1919 By Andrew Glass 11/19/2007 10:11 AM EST On this day in 1919, the Senate, for the first time in its history, rejected a peace treaty.