The Amir Yakub Khan, General Daoud Shah, Habeebulah Moustafa, with Major Cavagnari C.S.I. and a Mr Jenkyns. The Treaty of Gandamak officially ended the first phase of the Second Anglo-Afghan War. Afghanistan ceded various frontier areas to Britain to prevent invasion of further areas of the country. It was signed by the emir of Afghanistan, Mohammad Yaqub Khan and Sir Pierre Louis Napoleon Cavagnari representing the British government of India, on 26 May 1879, at a British army camp near the village of Gandamak, about 70 miles east of Kabul, The treaty was ratified by Lord Edward Robert Bulwer Lytton, Viceroy of India, on 30 May 1879. Most historical writings consider the Treaty of Gandamak as the prelude to the second phase of the Second Anglo-Afghan War, 1879-80.