On 22 May 2026, Ambassador Prapan Disyatat presided over the ceremony on the occasion of the Centennial Celebration of the Legacy of Her Majesty Rambhai Barni’s contribution in education, social development, and gender equality, honoured by UNESCO. The ceremony were attended by 23 participants, including Ambassador and Permanent Representative of Thailand to ASEAN Prinat Apirat, heads of Thai offices under Team Thailand, officials and staff of the Royal Thai Embassy, and Team Thailand as well as spouses.