In 1524, Esteban Gomez was the first Portuguese explorer to reach what is now the United States, including exploring the New York Harbor and Hudson River. Gomez a black sailor who was part of Magellan’s circumnavigation of the globe. A 1529 map described the area from Nova Scotia to Virginia as Tierra de Esteban Gomez in his recognition. It’s part of the history explored today and Saturday during the Black Maritime Heritage Festival at 10 a.m. at Pier One and Saturday at 11 a.m. at the San Francisco Maritime National Historical Park Visitor Center, 499 Jefferson Street. A discussion of the African-American Freedom Trail takes place at 9:30 a.m. at First Unitarian Universalist Society, 1 Starr King Way.