10 Days That Unexpectedly Changed America

Fought near Sharpsburg, Maryland, the Battle of Antietam (Battle of Sharpsburg to Southerners) was the first major battle of the American Civil War to take place in the north. The...

On May 26, 1637, English settlers and their Indian allies attacked Mystic Fort, home of the Pequot Indians, in Mystic Connecticut would change the relationship between the colonist...

Albert Einstein's letter to FDR urged the development of an unthinkably powerful new weapon. The result, known as the Manhattan Project, brought government and science together to...

Set against the backdrop of the 1901 World's Fair and the dawning of the new century, the assassination of President William McKinley ushered in a new Progressive Era under the pre...

Elvis Presley's appearance on The Ed Sullivan Show on September 9, 1956, signified a whole new culture that involved teenage independence, sexuality, race relations and a new form...

On January 24, 1848, a carpenter named James Marshall discovered gold in a California river, assuring in the famous gold rush, which would propel the creation of the state of Calif...

July 21, 1925 marked the start of the Scopes Monkey Trial. At issue was the Butler Act, which had been passed a few months earlier by the Tennessee General Assembly. The law said...

Harsh working conditions at Carnegie's Homestead steel mill led to a union strike. The battle between management and labor signaled an end to workers believing they had an ownershi...

In 1964, national attention turned to Mississippi when three Civil Rights workers (two white and one black) were murdered by the Ku Klux Klan. This watershed moment eventually led...

A violent protest against debt collection and taxation practices motivated George Washington to come out of retirement to help strengthen the fragile new nation. This was the spark...