Immediate Answer: On July 4, 2026, as the United States celebrated its 250th anniversary, 150 individuals from 50 different countries were officially sworn in as U.S. citizens at George Washington’s Mount Vernon estate. The ceremony, a centerpiece of the nation's semiquincentennial, highlighted the ongoing American story of immigration, featuring service members like Marine Sgt. Diakaria Sangare taking the oath in uniform. What Happened: Under the humid Virginia sun on the mo
