Meiō (明応), also known as Mei-ō, was a Japanese era name (年号, nengō, "year name") after Entoku and before Bunki. This period spanned the years from July 1492 through February 1501. Reigning emperors were Go-Tsuchimikado-tennō (後土御門天皇) and Go-Kashiwabara-tennō (後柏原天皇).
1492 Meiō gannen (明応元年): The era name was changed to mark an event or a number of events. The old era ended and a new one commenced in Entoku 4.
1492 (Meiō 1, 8th month): Shogun Yoshimura led an army against Takayori in Ōmi Province. He laid siege to Mii-dera. Takayori saved himself by escaping in the slopes of Mount Koka. Then, Shogun Yoshimura returned to Heian-kyō.
1492 (Meiō 2, 1st month): The kampaku Ichijō Fuyuyoshi was named daijō-daijin.
1492 (Meiō 2, 2nd month): Shogun Yoshimura, accompanied by Hatakeyama Masanaga, marched against Kawachi Province, with plans to capture and put to death Hatakeyama Toshitoyo, the son of Yoshinari.
September 12, 1495 (Meiō 4, 24th day of the 8th month): Earthquake at Kamakura (35.100°N 139.500°E / 35.100; 139.500), 7.1 magnitude on the Richter scale.
July 9, 1498 (Meiō 7, 20th day of the 6th month): Earthquake in the Enshū-nada Sea (34.400°N 137.700°E / 34.400; 137.700), 6.4 on the Richter Scale.
September 20, 1498 (Meiō 7, 2nd day of the 7th month): Earthquake in the Enshū-nada Sea (34.000°N 138.100°E / 34.000; 138.100), 8.6 on the Richter Scale; and also on that same day, another earthquake in Nankaidō (33.500°N 135.200°E / 33.500; 135.200), 7.5 on the Richter Scale.
Meiō Wikipedia (Text) CC BY-SA