During the week of 21 to 28 February 2007, an Imperial Delegation led by His Imperial Highness Prince Regent Nhiep Chinh Nguyen Phuc Buu Chanh of Vietnam, in the company of Her Imperial Highness Cong Nuong Princess Phan Lien - together with Princess Ton Nu Phuong Thuy - attended Official Events and Solemn Ceremonies in Southern California to coincide with the New Year Tet Dinh Hoi Festival Celebrations held in the United States of America.