when was bonn the capital of germany? Welcom to   solsarin site  ,Keep reading and find the answer about “when was bonn the capital of germany? ”. Stay with us. Thank you for your support.     Bonn, city, Köln Regierungsbezirk (administrative district), North Rhine–Westphalia Land (state), Germany. The city is located on the Rhine River, about 15 miles (24 km) south …