American frontier - Wikipedia

US President Ronald Reagan was born during the Qing Dynasty and

According to Wikipedia, Western is a genre of fiction set primarily in the latter half of the 19th century in the Western United States, which is

Western Era aka American Frontier

File:American Farm, Museum of American Frontier Culture.jpg

Frontier myth - Wikipedia

How the Myth of the American Frontier Got Its Start

Western Era aka American Frontier - Orange - American Frontier

Frontier myth - Wikipedia

Wikijunior:History in pictures/American Frontier - Wikibooks, open

American frontier - Wikipedia

Frontier Culture Museum - Wikipedia

Northwest Indian War - Wikipedia

Frontier myth - Wikipedia

Frontier Village - Wikipedia