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| 1917, March 11 |
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| The British capture of Baghdad. British forces would move another 80 miles north to Samarra by late April. Meanwhile, the Ottoman army in Iran had to fall back. | 1 |
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| April |
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| The British capture of Gaza. | 2 |
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| April 19–Sept. 26 |
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| St. Jean de Maurienne Agreement. In return for recognizing the Sykes-Picot Agreement, Italy was to receive the Anatolian territories of Izmir, Adalya, and Konya in the postwar settlement. | 3 |
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| April 20 |
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| The Ottoman Empire severed diplomatic relations with the U.S. | 4 |
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| June 16 |
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| British Declaration to the Seven, issued to a delegation of seven Syrians resident in Cairo on the future of the Arab Near East. The British promised to uphold the principle of self-determination in all Arab lands located within the Ottoman Empire which British troops were occupying. | 5 |
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| June 29 |
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| Sir Edmund Allenby replaced Sir Archibald Murray as commander of British forces in the Middle East. | 6 |
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| July 6 |
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| Capture of Aqaba by an Arab force, assisted by Col. Thomas E. Lawrence (Lawrence of Arabia). Operations began against the now vulnerable Hijaz railway. The Ottomans withdrew all forces from Arabia except their garrison at Medina. | 7 |
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| Nov |
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| Russian withdrawal from Iran after the Bolshevik seizure of power. In December, the Russians renounced all claims to Ottoman territory. Through the Treaty of Brest-Litovsk (March 3, 1918), the Ottomans regained the districts of Kars and Ardahan (which Russia had annexed in 1878), and Russia renounced its capitulatory privileges. | 8 |
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| Dec. 9 |
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| British occupation of Jerusalem. | 9 |
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