"The history of the military of the Ottoman Empire can be divided in five main periods.[according to whom?] The foundation era covers the years between 1300 (Byzantine expedition) and 1453 (Conquest of Constantinople), the classical period covers the years between 1451 (second enthronement of Sultan Mehmed II) and 1606 (Peace of Zsitvatorok), the reformation period covers the years between 1606 and 1826 (Vaka-i Hayriye), the modernisation period covers the years between 1826[how?] and 1858 and decline period covers the years between 1861 (enthronement of Sultan Abdülaziz) and 1918 (Armistice of Mudros).[citation needed] Ottoman army, It is the forerunner of the Turkish armed forces." - (en.wikipedia.org 04.07.2021)
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