Ankara Treaty of Lausanne (1923), the Turkish nationalists replaced the Ottoman Empire with the Republic of Turkey on 29 October 1923. A few days earlier, Ankara had officially replaced Constantinople as the new Turkish capital city, on 13 October 1923. After Ankara became the capital of the newly founded Republic of Turkey, new development divided the city into an old section, called "Ulus", and a new section, called "Yenişehir". Ancient buildings reflecting Roman, Byzantine, and Ottoman history and narrow winding streets mark the old section. The new section, now centered on Kızılay Square, has the trappings of a more modern city:
History of Ankara History of Ankara The history of Ankara can be traced back to the Bronze Age Hatti civilization, which was succeeded in the 2nd millennium BC by the Hittites, in the 10th century BC by the Phrygians, and later by the Lydians, Persians, Macedonians, Galatians, Romans, Byzantines, Seljuks, and Ottomans. The oldest settlements in and around the city center of Ankara belong to the Hatti civilization which thrived during the Bronze Age. The city significantly grew in size and importance under the Phrygians starting from around 1000 BC, experiencing a large expansion following the mass migration from Gordion, the capital of