Glossary of Equine Terms – X By Equisearch | December 7, 2002 | 1 minute read Xenophon: General in the Greek army (c. 430-356 BC) renowned for his work “On the Art of Horsemanship” which described a progressive system of training horses and which became the basis for classical riding as we know it today. Back to Index What did you think of this article? Submit Rating Thank you for your feedback!