Baden

Flag of Baden, adopted in 1891. It was the official flag for the Grand Duchy of Baden (1806-1918) within the German Empire, the Republic of Baden (1918-1945) within the Weimar Republic and Nazi Third Reich, and the State of South Baden (1945-1952) within the Allied Occupied German State and Federal Republic of (West) Germany. In Kaiserreich Canon, it is also the flag of the Republic of Baden-Wurttemberg.

Original Flag:
https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Flagge_Gro%C3%9Fherzogtum_Baden_%281891%E2%80%931918%29.svg/640px-Flagge_Gro%C3%9Fherzogtum_Baden_%281891%E2%80%931918%29.svg.png