 and from listeners like you who donate to this NPR station. This is Morning Edition from NPR News. I'm Leila Fadl. And I'm Steve Inskeep. The United States of America celebrated its 200th anniversary in 1976. The Bicentennial, as it was called, came at an unsettled time, the aftermath of Vietnam and Watergate, a time of rising inflation and other troubles. Two years from now, the United States celebrates its 250th anniversary.