Early pressure on nationalist militias

Anatolia had many forces on its soil: British battalions, Ahmet Aznavur forces, and the Sultan's army. The Sultan gave 4,000 soldiers from his Kuva-i Inzibatiye (Caliphate Army). Then using money from the Allies, he raised another army, a force about 2,000 strong from non-Muslim inhabitants which were initially deployed in Iznik. The sultan's government sent forces under the name of the caliphate army to the revolutionaries and aroused counterrevolutionary outbreaks.

The British being skeptical of how formidable these insurgents were, decided to use irregular power to counteract this rebellion. The nationalist forces were distributed all around Turkey, so many small units were dispatched to face them. In Izmit there were two battalions of the British army. Their commanders were living on the Ottoman warship Yavuz. These units were to be used to rout the partisans under the command of Ali Fuat Cebesoy and Refet Bele.

On 13 April, the first conflict occurred at Düzce as a direct consequence of the sheik ul-Islam's fatwa. On 18 April, the Düzce conflict was extended to Bolu; on 20 April, it extended to Gerede. The movement engulfed an important part of northwestern Anatolia for about a month. The Ottoman government had accorded semi-official status to the "Kuva-i Inzibatiye" and Ahmet Anzavur held an important role in the uprising. Both sides faced each other in a pitched battle near Izmit on June 14. Ahmet Aznavur's forces and British units outnumbered the militias. Yet under heavy attack some of the Kuva-i Inzibatiye deserted and joined the opposing ranks. This revealed the Sultan did not have the unwavering support of his men. Meanwhile, the rest of these forces withdrew behind the British lines which held their position.

The clash outside Izmit brought serious consequences. The British forces opened fire on the nationalists and bombed them from the air. This bombing forced a retreat but there was a panic in Constantinople. The British commander—General George Milne—asked for reinforcements. This led to a study to determine what would be required to defeat the Turkish nationalists. The report—signed by Field Marshal Ferdinand Foch—concluded that 27 divisions would be sufficient, but the British army did not have 27 divisions to spare. Also gallipoli tour , a deployment of this size could have disastrous political consequences back home. World War I had just ended, and the British public would not support another lengthy and costly expedition.

The British accepted the fact that a nationalist movement could not be faced without deployment of consistent and well-trained forces. On June 25, the forces originating from Kuva-i Inzibatiye were dismantled under British supervision. The official stance was that there was no use for them. The British realized that the best option to overcome these Turkish nationalists was to use a force that was battle-tested and fierce enough to fight the Turks on their own soil. The British had to look no further than Turkey's neighbor: Greece.