The largest mixed martial arts organization in the world held and event in what Japanese city on April 14, 2000?
UFC 25 UFC 25: Ultimate Japan 3 was a mixed martial arts event held by the Ultimate Fighting Championship on April 14, 2000 at the Yoyogi National Gymnasium in Tokyo, Japan.
RINGS King of Kings Tournament 1999 The King of Kings Tournament 1999 was a series of three separate mixed martial arts events held by the Fighting Network Rings (RINGS). The tournament took place in both Tokyo and Osaka between October 28, 1999 and February 26, 2000. The tournament was the first of two King of Kings tournaments. The tournament matched up 32 of the best fighters from nine different countries.