The official proceedings commemorating the nation's newfound autonomy, including King Baudouin's Proclamation, declaring the Congo's independence and Patrice Lumumba's speech denouncing colonialism, took place in the palais on June 30.

[9][8] In the aftermath of the reconstruction and revival of the Congolese state following the fall of Mobutu Sese Seko, a mausoleum honoring Laurent-Désiré Kabila was erected near the palace's entrance.

[5] Concerns regarding the Governor General's pre-existing metal residence, derisively referred to as the "sardine can," accentuated the urgency to craft a design befitting the aspirations of the colony.

[5] In the aftermath of World War II, minimal modifications were made to the government district, with minor augmentations to the radial street layout and bungalows for civil servants.

[5][16][17] In 1967, as part of the Zairianisation policy established by President Mobutu Sese Seko, the equestrian statue of King Leopold II was removed from its prominent position.