The United States recognized the Democratic Republic of the Congo’s independence in 1960 and established diplomatic relations at the same time.
Modern Flag of The Democratic Republic of the Congo
The United States recognized the Republic of Congo (Democratic Republic of the Congo) on June 30, 1960, in a congratulatory message from President Dwight D. Eisenhower to President Kasavubu. On that date, the area formerly known as the Belgian Congo was proclaimed independent from Belgian sovereignty.
Diplomatic relations were established on June 30, 1960, when the American Embassy in Leopoldville (now Kinshasha) was established with John D. Tomlinson as Chargé d'Affaires ad interim.