Tank District
Tank District (Pashto: ټانک ولسوالۍ, Urdu: ضلع ٹانک ṭāṅk; Saraiki: ٹاک ṭāk) is a district in the Dera Ismail Khan Division of the Khyber Pakhtunkhwa province of Pakistan. == History == === Ancient history === At the Battle of the Hydaspes (now the Beas River), fought between Alexander the Great's army and the Indian king Purushotthama (better known as Porus), the Macedonian army refused to go any further.