May 18—Counter-attack by Allies near Sedd-el-Bahr is repulsed.
May 19—Turks drive back Allies from their advanced positions near Kara Burun; Allies are being reinforced daily.
May 20—Allies are reported to have occupied Maidos after fierce fighting; French troops have been landed at Sedd-el-Bahr, and are fighting around the Turkish positions at Krithia; British forces which debarked at Gaba Tepe are also directing their action toward Krithia, with the object of surrounding the Turks; the Allies are attacking the fortified position at Atchi Baba.
May 22—Official announcement is made in London that the Allies have gained further ground on the southern end of the Gallipoli Peninsula.
May 23—Turks repulse Allies near Sedd-el-Bahr; it is estimated that the British and French now have 90,000 troops along the Dardanelles.
May 24—Turkish troops attack allied camp near Goritza and capture five sailing vessels with provisions; Italian troops have landed on the Turkish Island of Rhodes in the Aegean Sea; Turks capture two British positions near Kurna, Mesopotamia.
May 25—Allies are advancing steadily on the Gallipoli Peninsula; thousands of Turkish wounded are arriving at Constantinople.
May 27—Allies carry five lines of Turkish trenches by the bayonet; German estimates show that the Allies have lost 30,000 men in killed, wounded, and missing during land operations at the Dardanelles; it is admitted by the British that the Australians have lost heavily.
May 28—The Russian Army in the Caucasus reports further gains in the Van region, including the occupation of Baslan, and announces that in the capture of Van the Russians took twenty-six guns, large stores of war material and provisions, and the Government treasury.
May 29—Turkish forces defending the Gallipoli Peninsula against Allies now number 80,000 men; reinforcements are being sent from Syria; in the Caucasus the Turks are remaining on the defensive.