According to Edward Gibbon, Osman I invades the territory of Nicomedia for the first time, usually considered to be the founding day of the Ottoman state.

Edward Gibbon was a British essayist, historian and politician. His most important and influential work, The History of the Decline and Fall of the Roman Empire, was published in six volumes between 1776 and 1789, to critical and commercial success. It is known for the quality and irony of its…