Watch and learn about the territorial evolution of the United States through this animated GIF and explanatory narration.

After the armistice with Spain and the Treaty of Paris, Puerto Rico was ceded to the United States. On July 25, 1952, it ...

America’s rise to global dominance is one of the most captivating stories in modern history. From its early days as a small ...

A history of the United States does not lend itself to such treatment, and the author is too sound a scholar and too sincere an artist to attempt, it.

For much of the past four years, Oliver Stone has been working on a 10-part documentary series for Showtime, The Untold History of the United States.. The series — whose budget has gone up from ...

The history of income tax in the United States has a deep meaning originating from the Civil War before it was reintroduced later, just before the U.S. entered World War I.

Description. This lesson looks at how the United States has used tariffs throughout its history to implement trade policy. It looks at the role tariffs have played as a revenue source before the ...

In December 1865, the 13th Amendment formally abolished slavery in the United States. On June 19, 1866, freedmen in Texas organized the first "Jubilee Day" to commemorate the event.