In the first movie scene Körner is quoting his 1813-poem "Was uns bleibt" (What leaves to us). However later he meets Wilhelm von Humboldt who takes him to Vienna. In real life Körner came to Vienna only in 1811 where he met Humboldt.
In the movie Eleonore Prochaska is saving Theodor Körner's life by giving her own. In real life however Prochaska in October 1813 in Dannenberg in Lower Saxony while Körner died in August 1813 in Rosenow in Northwest of Mecklenburg.