- Name
- Herzogtum Ober- und Niederschlesien
- Wikidata ID
- Q298874
- Contemporary Administrative Unit
- Duchy
- Temporal Extent
- 1867-12-22–1918-10-31
- How accurate is the given date
- D
- Source
- Austro-Hungarian Empire Crownlands 1910
- Quality of this dataset
- yellow
- Additional data
- source: Woldan: Floder, Oesterreich, 1835; © OpenStreetMap contributors; Rumsey: Andree, Scobel, Böhmen, 1905
- country: Austro-Hungarian Empire
- comments: None
- wiki_id: Q298874