1264 Bun'ei gannen (文永元年); 1264: The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Kōchō 4.
1274 (Bun'ei 11, 1st month): In the 15th year of Kameyama-tennō 's reign (亀山天皇15年), the emperor abdicated; and the succession (senso) was received by his cousin.
1274 (Bun'ei 11, 3rd month): Emperor Go-Uda is said to have acceded to the throne (sokui). The retired Emperor Kameyama continued to exercise power as cloistered emperor.
1274 (Bun'ei 11, 10th month): Hirohito-shinnō was named Crown Prince and heir to his first cousin, the Daikakuji-tō Emperor Go-Uda. This was the result of political maeuvering by Hirohito's father, the Jimyōin-tō Emperor Go-Fukakusa.
November 19, 1274 (Bun'ei 11, 20th day of the 10th month): Battle of Bun'ei -- Kublai Khan's Mongol forces land at Hakata Bay near Fukuoka in Kyūshū. After landing and some armed skirmishes, the invaders withdraw to spend the night on shipboard. That night, a storm sinks several ships, and the fleet retreats to Korea rather than pressing their initial advantage. In the course of the day's fighting, the Hakozaki Shrine was burned to the ground. Nihon Ōdai Ichiran explains that the invaders were defeated because they lacked arrows.
Bun'ei (文永) was a Japanese era name (年号,, nengō,, lit. "year name") after Kōchō and before Kenji. This period spanned the years from February 1264 to April 1275. The reigning emperor was Kameyama-tennō (亀山天皇).