This is a detail of a Royal Geographical Society map signed by Mark Sykes and François Georges-Picot in 1916. It shows eastern Turkey in Asia, Syria and Western Persia, and areas of control and influence agreed between the British and the French. The thick line through the middle is the Sykes-Picot line.

A detail of a Royal Geographical Society map signed by Mark Sykes and François Georges-Picot in 1916.

The Middle East’s fading frontiers

As the Sykes-Picot agreement turns 100, the borders it delineated are crumbling.By Thanassis Cambanis

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