The failed Bergmann Offensive attempted to breach this empire's northern border.
The failed Bergmann Offensive attempted to breach this empire's northern border. This empire gained the ships SMS Goeben and SMS Breslau after British ships failed to capture them, which this empire used to bombard targets in the Black Sea. This empire was partitioned in the secret Sykes-Picot Agreement. Tribes in the Hejaz region were encouraged to revolt against this empire, led by T.E. Lawrence. This empire was largely controlled by a ruling triumvirate of "Three Pashas," who organized a genocide of its Armenian population. For 10 points, name this empire that fought on the side of the Central Powers during World War I, and was invaded in the Gallipoli Campaign.
The failed Bergmann Offensive attempted to breach this empire's northern border.
Ottoman Empire [do not accept or prompt on TurkeyÂ—none of these clues pertain to the state of Turkey founded after World War I]