Flag of the Duchy of Brunswick

The Flagge des Herzogtums Braunschweig (English: Flag of the Duchy of Brunswick) is the State Flag, Civil Ensign and War Flag of the Duchy of Brunswick. The flag is a horizontal bicolor of blue and gold.

History
The flag of the Duchy of Brunswick was adopted in 1830, abolished in 1935, and readopted in 1952.