Region: Japan · Coordinates: 34.412, 129.335 · 16 events
| Year | Source | Account |
|---|---|---|
| AD 632 | Nihon Shoki (Chronicles of Japan) | In the eighth month of the fourth year, the Tang sends Gao Biaoren to return Mitasu; they moor at Tsushima |
| AD 664 | Nihon Shoki (Chronicles of Japan) | In Tenji year 3, defensive garrisons (sakimori) and beacon fires were set at Tsushima, Iki and Tsukushi, and a great embankment (Mizuki) was built at Tsukushi to hold water. |
| AD 667 | Nihon Shoki (Chronicles of Japan) | In the eleventh month of year 6, castles were built at Takayasu in Yamato, Yashima in Sanuki and Kaneta in Tsushima. |
| AD 805 | Nihon Kōki (Later Chronicles of Japan) | The first ship of the Tang embassy reached Tsushima, Shimo-agata district. Ambassador Fujiwara no Kadonomaro reported: last year, on the sixth day of the seventh month, they set out from Tanoura in Matsura district, Hizen; the third and fourth ships lost contact; on the tenth day of the eighth month they reached Chi'an (赤岸鎮) in Chōkei county of Fuzhou. |
| AD 812 | Nihon Kōki (Later Chronicles of Japan) | Report from Tsushima: three Silla ships floated in the western sea, and one came ashore at Sasu harbor in Shimo-agata district. The crew were killed and four captured. Every night lights were seen toward Silla; notice was sent to Nagato, Iwami and Izumo to guard the strategic points (yōkai). |
| AD 836 | Shoku Nihon Kōki | In August the Dazaifu reported urgently that, as the envoy to Silla departed, the third Tang ship had drifted to Nanpo in Kamitsushima District, Tsushima, with only three men aboard. |
| AD 840 | Shoku Nihon Kōki | In the ninth month, the Tsushima Island Office, citing the danger of storms, asked for one of the six Silla ships, as cargo ships carrying tribute and official documents often sank; permitted. |
| AD 843 | Shoku Nihon Kōki | In the eighth month, the sakimori of Takeshiki Cape in Kamiagata District, Tsushima, reported that from mid-first month drum sounds were heard from the direction of Silla and lights seen in the evening; by imperial order defenses were prepared, and sakimori from Tsukushi were permitted to be posted. |
| AD 849 | Shoku Nihon Kōki | In the second month, the Tsushima Island Office, saying it was close to Silla and needed defenses, asked to cut one clerk (shisei) and set up one crossbow master; permitted. |
| AD 857 | Nihon Montoku Tennō Jitsuroku | In the sixth month, on day 庚寅, Dazaifu reports by post horse that about 300 men, including the Kamigōri officials Urabe no Kawachimaro and the Shimogōri Gitairyō Atai no Uranushi, surrounded the residence of Governor Tachino Masamine and killed Masamine with fire arrows, together with ten of his attendants and six sakimori (frontier guards). |
| AD 857 | Nihon Montoku Tennō Jitsuroku | In the seventh month, on day 辛亥, Dazaifu is ordered by edict to pardon the wives and children of innocent men who were forced to join the Tsushima rebels or died in prison. |
| AD 858 | Nihon Montoku Tennō Jitsuroku | In the second month, on day 庚申, the Tsushima people who killed Tachino Masamine and burned the official residence and houses are referred to the criminal court (keikan) for trial. |
| AD 870 | Nihon Sandai Jitsuroku | On the twelfth day of the second month, Dazaifu reports that Urabe no Otoshimaro of Tsushima, captured by Silla and escaped, testifies that Silla is building large ships and training soldiers to attack Tsushima; by imperial decree, coastal districts are ordered to be on guard. |
| AD 870 | Nihon Sandai Jitsuroku | The report from Tsushima: since the island lies close to Silla and is constantly raided, although it has crossbow weapons there is no one to use them; they request the appointment of one crossbow master (nōshi). Dazaifu is to select a suitable person and station him as a regular post. |
| AD 873 | Nihon Sandai Jitsuroku | On the twenty-second day of the twelfth month, Dazaifu reports that on the twenty-fifth day of the ninth month last year 32 Silla people drifted ashore at Tsushima in one ship and were confined at the Kōrokan. By imperial edict, since Silla has not given up its evil poison, they are to be thoroughly investigated before being sent back. |
| AD 1185 | Azuma Kagami (Mirror of the East) | (1185) On the 23rd day of the 5th month, Noriyori, by Yoritomo's order, planned to send boats to Tsushima to fetch Tsushima no Kami Chikamitsu; but it was reported that Chikamitsu had crossed to Koryō on the 4th day of the 3rd month to escape Taira attacks. So instructions were given to the provincial officials of the island to send him to Koryō, and they dispatched a letter today. Tsushima shugonin Kōchi Yoshinaga also sent a letter to Chikamitsu. |