This event could have been completed earlier if the (*) Frankfurt Convention's proffered crown had been accepted.
One political cartoon depicting the immediate aftermath of this event shows a figure who has thrown his crown in the trashcan in exchange another larger one. One nation created the Zollverein customs union to assert its dominance over Austria in regards to completing this action. This event could have been completed earlier if the (*) Frankfurt Convention's proffered crown had been accepted. Following the Franco-Prussian War, Kaiser Wilhelm I completed this action in the Hall of Mirrors at the Palace of Versailles. For 10 points, name this action, which consisted of Prussia consolidating small states into one large empire in 1871.
One political cartoon depicting the immediate aftermath of this event shows a figure who has thrown his crown in the trashcan in exchange another larger one.
Unification of Germany [accept obvious equivalents]