The treaty that ended World War I and imposed heavy reparations on Germany was the Treaty of Versailles, signed on June 28, 1919. This treaty placed significant blame for the war on Germany and its allies, requiring them to cede territories, limit their military capabilities, and pay substantial reparations. The harsh terms of the treaty were intended to weaken Germany and prevent future conflicts, but they also fostered resentment and economic hardship in the country, contributing to the rise of extremism and the eventual outbreak of World War II. The Treaty of Versailles remains a controversial moment in history, reflecting the complexities of post-war peace efforts.