Frankfurt entered the freshly Launched German Confederation (till 1866) for a totally free town, becoming the seat of its Bundestag, the confederal parliament where the nominally presiding Habsburg Emperor of Austria was represented by an Austrian "presidential envoy". Situated in the midst of town and amongst Frankfurt's busiest pedestrian parts, https://nachrichtenuniversum.de/historische-und-moderne-hochzeitsorte-in-frankfurt/