File:Flag of Teusland (1417-1896).png

Summary
This flag was used as the banner of the Teus Empire from its conquest of Siovanija in 1417, until the end of the Great War and the fall of the Empire in 1896. Today, it is used as the flag of the Republic of Teusland, a constituent republic of the United Republics of Siovanija & Teusland