What happened in 1776-1976?

Between 1776 and 1976, significant events shaped the United States and the world. The American Revolution culminated in the Declaration of Independence in 1776, establishing the U.S. as an independent nation. Over the next two centuries, the country expanded westward, fought a Civil War, and experienced industrialization and social movements, leading to changes in civil rights and governance. By 1976, the U.S. celebrated its bicentennial, reflecting on its history and the evolution of its democratic ideals.