Discusses the history of the Pony Express from when it began to carry mail across the American West in 1860 until replaced by the telegraph.

Introduces the European immigrants who came to North America as explorers and settlers, their interactions with native people, and the wars that ultimately led to their independence.

Discusses the Johnstown, Pennsylvania flood of 1889 and its impact on U.S. history.

An introduction to the background and contributions of the militia members known as minutemen during the American Revolution.

Discusses how the colonists won an important battle in the war for America's independence.

Discusses the Great Chicago Fire of 1871 and its impact on U.S. history.