Supporters of France's National Rally (RN) celebrate at an election night event in Paris on June 9. The projected gains for the hard right in the European parliamentary elections may seem modest in terms of pure numbers, but they are significant. The results represent a major challenge to the pro-Europe mainstream officials who dominate the institutions of the European Union. And while the far right is on course to make large gains, the center parties remain ahead. The center-right European People’s Party, the center-left Socialists and Democrats, and the liberal Renew Europe are the three largest groups in the European Parliament.