Can we go into the early 20th century? Because I think Tokyo following the 1923 earthquake could work. Following the disaster, Home Minister Goto Shinpei took charge of reconstruction and made huge plans to reconstruct Tokyo as a modern, state of the art, innovative, centrally planned city. However due to the plans being considered too expensive and reckless, opposition from rural politicians, and criticisms that it was too European-inspired led to Tokyo being reconstructed as a more traditional city. If Shinpei can get his plans through Tokyo could have been a very different city