The beautiful blue Danube River of Strauss waltz fame, “…Rises in the Black Forest mountains of western Germany and flows for some 1,770 miles (2,850 kilometers) to its mouth on the Black Sea. Along its course, it passes through nine countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, and Ukraine,” according to the Encyclopedia Britannica. In 1811, Albrecht Ludwig Berblinger, a tailor in the city of Ulm near the headwaters of the second longest river in Europe, tried a novel idea – flying across the river on a nicely sewn-together hang glider. His splashdown marked the end of his aeronautical career, but made him famous and an unlikely harbinger of things to come. City fathers have announced, “In the spirit of Berblinger, and continuing his vision, the City of Ulm aims to promote innovative developments in general aviation that makes it possible to perform an environmentally sustainable long-distance flight. The long-distance objective is a competition flight following the course of the Danube along its whole length from source to mouth, as free of …
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