Ankara headquarters of the Turkish Aerospace Industries, MKE, ASELSAN, Havelsan, Roketsan, FNSS, Nurol Makina, and numerous other firms are located. Exports to foreign countries from these defence and aerospace firms have steadily increased in the past decades. The IDEF in Ankara is one of the largest international expositions of the global arms industry. A number of the global automotive companies also have production facilities in Ankara, such as the German bus and truck manufacturer MAN SE. Ankara hosts the OSTIM Industrial Zone, Turkey's largest industrial park. A large percentage of the complicated employment in Ankara is provided by the state institutions;
History of Ankara in 1356. Another Turkic ruler, Timur, defeated the Ottomans at the Battle of Ankara in 1402 and captured the city, but in 1403 Ankara was again under Ottoman control. Following the Ottoman defeat during World War I, the Ottoman capital Constantinople was occupied by the Allies. The Turkish nationalist movement, under Kemal Atatürk, established its headquarters in Ankara in 1920 (see Turkish War of Independence). After the War of Independence was won, the Turkish nationalists abolished the Ottoman Empire on October 29, 1923. A few days earlier, on October 13, 1923, Ankara had replaced Constantinople as its capital, and it