Moroccan–American Treaty of Friendship
The Moroccan–American Treaty of Peace and Friendship, also known as the Treaty of Marrakesh, was a bilateral agreement signed in 1786 that established diplomatic and commercial relations between the United States and Morocco. It was the first treaty that was signed by the US and a non-European state.
Source: Wikipedia — Moroccan–American Treaty of Friendship (CC BY-SA 4.0)