U.S. legislation specifically named four leading cities for Semiquincentennial events.
The cities were Boston, Philadelphia, New York City, and Charleston, South Carolina. The legislation directed that anniversary activities receive special focus in places with major connections to United States history.
These cities represented important locations in the Revolutionary era and the formation of the country. Boston was central to early resistance to British rule, Philadelphia hosted the Continental Congress and the Constitutional Convention, New York was a major revolutionary and political center, and Charleston was a significant Southern port and Revolutionary War location.
The list did not mean that celebrations were limited to those cities. America250 activities were planned nationwide, including programs organized by states, territories, museums, historic sites, schools, and community groups. The four named cities simply received special legislative recognition as leading locations.