File:German Empire - Oldenburg (1871).svg.png

Summary
Map of Oldenburg (Großherzogtüm Oldenburg) 1871. Original 2000px file created by Shadowfox (wikipedia userpage https://es.wikipedia.org/wiki/Usuario_discusi%C3%B3n:Shadowxfox) in 2014.Downloaded from https://commons.wikimedia.org/