Western

A western is a type of book, film, or holoprogram based on the Western United States of America during the 19th century, a period later known as the Ancient West. 

Charles Tucker once speculated that Zefram Cochrane spent his nights reading "about cowboys and Indians". 

On 26 September 2152, the crew watched a western in the catwalk, shortly before the ship emerged from a neutronic wavefront. T'Pol found the treachery of one of the characters obvious. 

Deanna Troi was a fan of stories set during the Ancient West. Her father, Ian Andrew Troi, often read her such tales when she was a child. 

In 2375, Nog watched Western films on a television set at Vic's lounge in the holosuite program Bashir 62, including Shane and The Searchers.