FTP name this 1189-1192 effort led by Frederick I, Richard I, and Philip II.
One of its three leaders died of drowning while crossing Anatolia.  Another was taken prisoner in Austria and ransomed by Emperor Henry VI.  Called in response to the Battle of Hittim, its major accomplishment was the conclusion of an agreement whereby the safety of pilgrims was safeguarded in the Holy Land.  It failed, however, in its goal to retake Jerusalem.  FTP name this 1189-1192 effort led by Frederick I, Richard I, and Philip II.
One of its three leaders died of drowning while crossing Anatolia.  
Third Crusade