29 October 2027, from the afternoon of the 28th
Republic Day
Across Istanbul, from Taksim to the Bosphorus
Cumhuriyet Bayramı marks the proclamation of the Republic of Türkiye on 29 October 1923. Public institutions close on the day, the city is decorated in red and white, and fireworks over the Bosphorus are usual in the evening.
Every year on 29 October. Source ↗