Daylight saving time (DST) is due to go into effect across most, but not all, of the United States and its territories on ...

Maybe you first came across the term on a US history test or while watching a documentary. But have you ever stopped to ponder what the word "Commonwealth" really means and why it's applied to ...

While obtaining territory from another country would be an unusual move for a modern U.S. president, much of America’s states and territories today came through purchase or expansion.

If history had taken a different turn, the place now known as Oklahoma could have seen an even stronger win for Native ...

In 1898, at the end of the Spanish–American War, Spain agreed to sell the Philippines to the U.S. for $20 million – what would be $760 million today. The United States recognized the country ...