Many special exhibition activities at Thang Long Imperial Citadel

At the Thang Long Imperial Citadel (Ba Dinh Ward, Hanoi), many large exhibitions and displays will take place from August 19. Notably, the Cryptographic Cellar will be open to the public for the first time.

Thang Long Imperial Citadel is not only a place that preserves many important feudal relics but is also a "red address" associated with revolutionary history. Therefore, on the occasion of the 80th anniversary of the successful August Revolution (August 19, 1945 - August 19, 2025) and the National Day of the Socialist Republic of Vietnam (September 2, 1945 - September 2, 2025).

First opening of the Crypto Tunnel

As a project of important historical significance in the Ho Chi Minh era, the D67 House and Bunker relic - was secretly built in 1967 during the fierce war. This was the place where many important meetings of the Politburo and the Central Military Commission were held, and was also the workplace of the Commander-in-Chief and Chief of the General Staff of the Vietnam People's Army during the resistance war against the US and later national construction.

With that meaning, by using documents, images and technology, the Thang Long - Hanoi Heritage Conservation Center in collaboration with the Center for Research and Promotion of Heritage Values (CCH) organized research and developed exhibition content to vividly explain the role of House and Bunker D67 in the period 1968-1975.

The exhibition “House and Bunker D67 - Journey to the day of total victory” introduces more than 300 documents and images, including four themes: Theme 1 - The Gulf of Tonkin incident and the first destructive war; Theme 2 - The story of House and Bunker D67; Theme 3 - Defeating “Vietnamization of the war” and the second destructive war; Theme 4 - The great victory of Spring 1975.

The exhibition Promoting the value of the revolutionary relic of the Secretariat - General Staff will bring a lively space, the layout of the bunker as it was; provide a lot of information through the exhibition of documentary interpretation, the panel system inside and outside the bunker; use storytelling sound to make visitors feel like they are participating in working in the bunker at that historical moment...

The new and prominent display aims to provide historical information about the role and activities of the Cipher Department - General Staff; the command assurance activities of the Cipher Department - General Staff at the General Headquarters during the resistance war against the US to save the country, especially in the period of 1972-1975.

Hanoi Flag Tower – Aspiration for Peace

As part of the commemorative activities at the Imperial Citadel, there is also an exhibition called “Hanoi Flag Tower/Flagpole – Fatherland and the desire for peace” which is presented in 3 themes: Flag Tower under the Nguyen Dynasty; French colonial occupation and changes; Independent Vietnam.

The exhibition content is a combination of chronological arrangement from past to present or future and highlighted events, artifacts help illustrate more vividly; short films are shown about the history of the construction of the Flagpole, especially reviving the historical moment on the day of the liberation of the Capital on October 10, 1954.

The exhibition "Hanoi Flag Tower/Flag Tower - Fatherland and the desire for peace" opens to visitors from September 1, 2025.