See:

1. Otto von Bismarck, the 19th-century German statesman
2. Bismarck, the battleship of the German Kriegsmarine
3. Bismarck Sea
4. Bismarck Archipelago
5. Places in the United States of America:
   • Bismarck, Arkansas
   • Bismarck, North Dakota
6. Bismarck is also a type of filled doughnut with jelly or preserves baked within--as distinguished from a kettle doughnut, which is served open-faced with the filling in the center. It is also another name for the alcoholic drink Black Velvet.
7. Bismarck is a sexual act where by a gentleman slaps his partner in the face with his penis.