The United States recognized the Philippines in 1946.
Modern Flag of Philippines
The United States recognized the Republic of the Philippines as an independent state on July 4, 1946, when President Harry S. Truman did so in a proclamation. The United States and the Philippines signed a treaty on the same date whereby the United States renounced all claims to the Philippines, which had previously been under American sovereignty.
Diplomatic relations were established on July 4, 1946, when American Ambassador Paul V. McNutt presented his credentials.