The signing of the Treaty of Versailles ended in World War I. The answer is a. True. The Treaty of Versailles is a peace treaty that happened at the end of World War I. The said peace treaty ended the state of war between Germany and the Allied Powers. The treaty was signed on June 28, 1919. Even though the armistice ended the actual fighting, it took six months of negotiations at the Paris Peace Conference to bring to a close the peace treaty.