Venezuelan President Nicolas Maduro and Kazakhstan President Kassym-Jomart Tokayev also took part in the ceremony.
Erdoğan hosted a dinner at the Çankaya Mansion in honor of the attending leaders who participated in the ceremony.
Erdoğan participated in a photo session alongside Armenian Prime Minister Nikol Pashinyan, Turkish Armenian Patriarch Sahak Mashalyan, AK Party Istanbul Deputy Sevan Sıvacıoğlu, and Çağdaş Factoring Chairman of the Board and Karagözyan Foundation Board Chairman Dikran Gülmezgil.
After the program, President Erdoğan, President of Azerbaijan Ilham Aliyev, and the guests present signed the board as a symbolic gesture.