Chargé d'Affaires ad interim in that interval. Charles Franklin Dunbar – Career FSO Title: Ambassador Extraordinary and Plenipotentiary Appointed: June 16, 1988 Presented credentials: August 14, 1988 Terminated mission: Left post June 13, 1991 On May 22, 1990, the Yemen Arab Republic and the People's Democratic Republic of Yemen united to form the "Republic of Yemen." For ambassadors to the Republic of Yemen, see United States Ambassador to Yemen. See also Yemen Arab Republic History of Yemen Notes References U.S. Dep’t of State: Background Notes on Yemen U.S. Dep’t of State: U.S. Ambassadors to Yemen Yemen, North United States Ambassadors United States–Yemen relations