Spandau Citadel, built in 1594, the 1848 St. Marien am Behnitz Catholic church designed by August Soller, and Spandau arsenal, Germany's arms development center until 1919, now a museum. That arsenal's Spandau machine gun inspired the slang "Spandau Ballet" to describe dying soldiers on barbed wire during the First World War, and later was applied to the appearance of Nazi war criminals hanged at Spandau Prison. The notorious prison, built in 1876, held Nazi war criminals after World War II until 1987, when it was demolished after the death of the last surviving prisoner, Rudolf Hess. In 1979, the English New
Spandau Prison prison and his only companion was the warden, Eugene K. Bird, who became a close friend. Bird wrote a book about Hess's imprisonment titled "The Loneliest Man in the World". Spandau was one of only two Four-Power organizations to continue to operate after the breakdown of the Allied Control Council; the other was the Berlin Air Safety Center. The four occupying powers of Berlin alternated control of the prison on a monthly basis, each having the responsibility for a total of three months out of the year. Observing the Four-Power flags that flew at the Allied Control Authority building could