The film takes place in 1915, yet refers to Mata Hari being caught and executed. Mata Hari was not arrested until 13 February 1917, and executed on 15 October 1917.
When Ali Bey arrives at the charity bazaar, his soldiers salute him, and the salutes are standard right-hand-to-the-forehead salutes, except for the soldier who holds his thumb to his nose, with the palm open and his four fingers extended (but not wiggling). Yet it still appears as if he is thumbing his nose at Ali Bey.