Secret Diplomacy Among the Entente Powers

  • Mar-Apr 1915 – Constantinople Agreeement
  • 26 Apr 1915 – London Agreement
  • Jul 1915 to Mar 1916 – Hussein-McMahon Correspondence.  McMahon Map (click to enlarge) Between July 1915, and March 1916, Sir Henry McMahon, the British High Commissioner in Egypt and Sherif Hussein of Mecca, exchanged a series of 10 letters in which the British promised to support the creation of an independent Arab state in return for assistance in fighting against the Ottoman Empire…
  • 19 May 1916 – Sykes-Picot Agreement.  When the possibility of a British invasion of Palestine was first raised, it became necessary to reach an understanding with France, which also had an interest in Palestine and Syria. As early as 16 May 1916 Sir Mark Sykes, who had studied the political problems of Mesopotamia and Syria, had agreed with M. Picot, formerly…
  • 8 Aug 1917 – Tripartite Agreement

Further Reading:

  • Charles Roden Buxton, The Secret Agreements (1918)
  • F. Seymour Cocks, The Secret Treaties and Understandings: Text of the Available Documents (1918)
  • Congressional Record – Senate, Full Texts of Secret Treaties as Revealed at Petrograd [reprinted from the New York Evening Post], pp. 1439-1444 (20 Jun 1919)