On 29 December 1996, a peace agreement was signed by the government and the URNG in the presence of UN Secretary-General Boutros Boutros-Ghali, officially ending the 36-year civil war. The Secretary-General of the URNG, Comandante Rolando Morán and president Álvaro Arzú jointly received the UNESCO Peace Prize for their efforts to end the civil war and attain the peace agreement.