| On June 11, 1791, Oikaze YOSHIDA of the YOSHIDA-TSUKASA family built a dohyo overnight for a Joran sumo tournament (a tournament held with the Shogun in attendance) scheduled to be held on the next day for the 11th Shogun Ienari TOKUGAWA and conducted the first Hoya-biraki ceremony (a ceremony to celebrate building of a new hoya). |
1791年（寛政3年6月11日_(旧暦)）11代征夷大将軍・徳川家斉の上覧相撲の際に吉田司家の吉田追風が前日に1夜で土俵を作り「はじめて「方屋開」を行なった。 |