Bonn was a temporary capital of West Germany. Berlin was the always the capital of a Germany which was unified around 1870 from about a dozen smaller states, li

Bonn was a temporary capital of West Germany. Berlin was the always the capital of a Germany which was unified around 1870 from about a dozen smaller states, like Bavaria, Saxony, Prussia, Silesia, etc. Read up about Bismarck, he was the main driver for a unified Germany. The Prussians formed a unified Germany, so their choice of capital was a Prussian city.