List of diplomatic visits to the United States from North America and the Caribbean

The first international visit to the United States was made by King Kalakaua of Hawaii in 1874, which was the first visit by a foreign chief of state or head of government.[1] The first North American head of state to visit the United States was President Justo Rufino Barrios of Guatemala in 1882.

Source: Wikipedia — List of diplomatic visits to the United States from North America and the Caribbean (CC BY-SA 4.0)