After finishing the Military Academy in Istanbul, he joined the Kuvayi Milliye under the leadership of Mustafa Kemal to fight against the Allies partitioning the Ottoman Empire after it was defeated in World War I.

A second-lieutenant in the 45th regiment of the 15th division, he fought in the western Anatolian region of Afyon and took part in the recapturing of İzmir from Greek troops on 9 September 1922.

[1][2] Following the declaration of the republic in 1923, Birgöl returned to his unit at the Black Sea city of Samsun, where he stayed until 1928.

While he was stationed in Sarıkamış, Bayburt and Muğla, he was active in some campaigns against rebellions that took place following the Independence War.

As the last veteran of the Independence War, he was honored with a state funeral held on November 13 at the Turkish Parliament in Ankara, attended by President Abdullah Gül, Parliament Speaker Köksal Toptan, Chief of the General Staff Gen. İlker Başbuğ, leaders of the main opposition parties in the parliament and statesmen, politicians and other high-level officials.