Treaty of Frankfurt

The Treaty of Frankfurt may refer to one of three treaties signed at Frankfurt, as follows:
 * Treaty of Frankfurt (1259) - Treaty between Bolesław V the Chaste and Charles IV, Holy Roman Emperor, initiated a 250-years peace and alliance.
 * Treaty of Frankfurt (1489) - Treaty between Maximilian of Austria and the envoys of King Charles VIII of France
 * Treaty of Frankfurt (1539) - Initiated a fifteen-month period of peace between Protestants and Catholics in the Holy Roman Empire
 * Treaty of Frankfurt (1871) - Ended the Franco-Prussian War