A Sport Born from the Sacred

Sumo wrestling is far more than a sport — it is a living piece of Japanese history. Its origins trace back at least 1,500 years, with references appearing in the Kojiki (712 AD), Japan's oldest chronicle of history and mythology. According to legend, the very ownership of the Japanese islands was decided by a sumo match between the gods Takemikazuchi and Takeminakata.

This divine connection was no accident. Early sumo was deeply embedded in Shinto ritual, performed at shrines as an offering to the gods — a prayer for a bountiful harvest. The ring itself, the dohyō, is still consecrated before each major tournament, and Shinto priests bless the clay mound before competition begins.

From the Imperial Court to the Public Arena

By the Nara period (710–794 AD), sumo had entered the imperial court as a formal event called Sumai no Sechie — a sumo ceremony held each year before the Emperor. Wrestlers were summoned from across the country to compete, and winners were rewarded with court positions and goods.

Over the following centuries, sumo evolved through the Heian, Kamakura, and Edo periods. By the Edo period (1603–1868), professional sumo had truly emerged. Ōzumo — organized, professional sumo — became a popular public spectacle in cities like Edo (modern-day Tokyo) and Osaka. Wealthy merchants and feudal lords sponsored wrestlers, and stables (known as heya) were established to train and house them.

The Shinto Traditions That Survive Today

Walk into a Grand Sumo Tournament today and you'll witness centuries-old ritual at every turn:

  • The dohyō-iri (ring-entering ceremony): Wrestlers perform an elaborate entrance ritual before each day of competition, wearing ceremonial aprons called kesho-mawashi.
  • Salt purification: Rikishi throw salt into the ring before each bout to purify the sacred space and ward off evil spirits.
  • The gyōji's gunbai: The referee carries a war fan — a symbol rooted in samurai tradition — used to signal the start and end of a match.
  • The yokozuna rope: The tsuna worn by a yokozuna (grand champion) during the dohyō-iri is modeled on the Shinto rope (shimenawa) that marks sacred spaces in Japanese shrines.

Sumo as National Identity

In the Meiji era (1868–1912), as Japan rapidly modernized, there were serious debates about whether sumo — seen by some as old-fashioned — should be abolished. Emperor Meiji himself intervened, watching a tournament and affirming sumo's importance to Japanese culture. This royal endorsement helped cement sumo's status as Japan's national sport (kokugī).

The Japan Sumo Association (Nihon Sumō Kyōkai) was formally established in 1925, bringing structure and regulation to the sport. The six annual tournaments known as honbasho were standardized over subsequent decades, with the current format of six 15-day tournaments per year established by 1958.

Why History Still Matters in the Ring

Unlike most modern sports, sumo has resisted the pressure to shed its ceremonial identity. Every element — from the referee's Shinto robes to the way a wrestler stamps his feet (shiko) to drive evil from the ring — connects the present to a 1,500-year continuum. Understanding this history transforms sumo from a simple pushing match into one of the world's most richly layered athletic traditions.

Whether you're a first-time viewer or a seasoned fan, recognizing the Shinto and historical threads woven into every tournament makes the experience of watching sumo profoundly deeper.