This study focuses on the occupation of the Ottoman Empire directly after the truce and the goals that motivated the Allied Powers, seeking to understand this transitional period that reshaped the landscape of the Middle East. The study's sections discuss projects after the First World War such as the San Remo Conference; the Treaty of Sèvres; the Allied conference in Paris in preparation for the conference in London; the diplomatic delegations to Anatolia (1921); and the Armistice of Mudanya and preparations for the peace conference in the East. The study concludes that the Treaty of Lausanne consolidated a new order in the Middle East but also sounded the death knell of the norms of international relations set forth by the Conference of Vienna (1815) following the Napoleonic Wars.