Grandmaster (martial arts) of "Dan" rankings and Black belt and Red belt in martial arts both derive from Judo where they were adopted by its founder Kanō Jigorō. There are many terms similar or equivalent to 'grandmaster' used by various martial arts traditions. Some of these terms derive from older systems, while others are relatively modern. Japanese martial arts commonly use Sensei (先生) meaning "teacher" or literally translated, "born first" or "one who has gone before". A "Sensei" is a person who has knowledge and is willing to teach that knowledge to another. A "Sensei" assists students in "ken shiki" "the pursuit of
Martial arts timeline Martial arts timeline This martial arts timeline is designed to help describe the history of the martial arts in a linear fashion. Many of the articles for particular styles have discussions of their history. This article is designed to help visualize the development of these arts, to help better understand the progression of the separate styles and illustrate where they interrelate. The history of martial arts is challenging to document precisely, because of the lack of historical records, secretive nature of the teacher-student relationships and political circumstances during much of its history. It is likely that many techniques were learned,