The Philippines hosted the Southeast Asian Games three times, the 11th being held in what year?
Philippines at the Southeast Asian Games: The Philippines first sent athletes to the Southeast Asian Games in 1977. Philippines at the Southeast Asian Games:  The country has hosted the games thrice; in 1981, 1991 and 2005. 1981 Southeast Asian Games: The 1981 Southeast Asian Games, officially known as the 11th Southeast Asian Games was a multi-sport event held in Manila, Philippines from 6 to 15 December 1981.
1981