Britannica, IstanbulArchived 2007-12-18 at the वेबैक मशीन:When the Republic of Turkey was founded in 1923, the capital was moved to Ankara, and Constantinople was officially renamed Istanbul in 1930.
Britannica, IstanbulArchived 2007-12-18 at the वेबैक मशीन:When the Republic of Turkey was founded in 1923, the capital was moved to Ankara, and Constantinople was officially renamed Istanbul in 1930.