On November 11, 2021, during the 41st session of the General Conference of UNESCO, in accordance with the recommendations of the Executive Board of UNESCO and Decision 41 C/15 of the General Conference, the nomination of Tajikistan for the 2500th anniversary of the ancient town of Takhti Sangin and the joint nomination of the Republic of Tajikistan, the Republic of Uzbekistan and the Islamic Republic of Iran on the 1050th anniversary of the birth of the outstanding scholar of the East Abu Rayhan Biruni were included into the List of anniversaries celebrated in association with UNESCO in 2022-2023.
