The empire's history was extremely violent as it was often at war with at least one foreign power. As a result, its borders fluctuated greatly over time, but it was always centered in [[Constantinople]]. In 1453, the capital fell to the Turks, who renamed it Istanbul. | The empire's history was extremely violent as it was often at war with at least one foreign power. As a result, its borders fluctuated greatly over time, but it was always centered in [[Constantinople]]. In 1453, the capital fell to the Turks, who renamed it Istanbul. |