Right-wing leaders from across the region meeting in Germany see new US administration as dawn of a new era European nationalist leaders came together on Saturday in a show of strength at the start of a year of big election tests, celebrating Donald Trump’s inauguration as US president and declaring themselves a realistic alternative to the continent’s governments. Right-wing populist leaders from France, the Netherlands, Germany, Italy and elsewhere strode confidently into the Koblenz congress hall on the banks of the Rhine River ahead of a flag-waving escort, setting the tone for a gathering whose mood was buoyed by Trump’s swearing-in.