The One-Step was a ballroom dance popular in social dancing at the beginning of the 20th century. The One-Step was a ballroom dance popular in social dancing at the beginning of the 20th century. Troy Kinney writes that One-Step originated from the Turkey Trot dance, with all mannerisms of the latter removed, so that 'of the original 'trot' nothing remains but the basic step'. The One-Step included the following basic figures (and a number of more advanced ones):