Malta was a Crown Colony of the United Kingdom from 1814 until 1964, when it was granted independence and joined the British Commonwealth. Malta was recognized by the United States the same year that it gained independence and became a republic in 1964.
U.S. Recognition of Maltese Independence, 1964.
The United States recognized Malta on September 18, 1964, when U.S. President Lyndon B. Johnson sent a letter to Maltese Prime Minister Giorgio Borg Olivier.