First Capital of the United States of America March 17, 2017 the welcome blog Did you know? In 1789, New York City became the first national capital of the U.S. for a year. FEDERAL HALL Image: NYPL 26 Wall Street today See this search field in the original post MORE QUICK FACTS See this gallery in the original post EXPLORE INTERESTING STORIES AND COOL VIDEOS See this calendar in the original post