From 1815, Gumbinnen was the capital of Regierungsbezirk Gumbinnen, an administrative district of the Province of East Prussia, and became part of the German Empire upon the unification of Germany in 1871.
Gumbinnen was the capital of Regierungsbezirk Gumbinnen. This was from 1815. Gumbinnen became part of the German Empire upon the unification of Germany in 1871. This was from 1815. Regierungsbezirk Gumbinnen was an administrative district of the Province of East Prussia.