| Year | Date | Event |
| 593 | Nov 12 | Itsukushima Shrine is said to have been founded. |
|---|---|---|
| 806 | A temple is said to have been founded in Mt. Misen on Itsukushima (Miyajima). Island by Buddhist priest Kukai (Kobo Daishi), who had returned from China and was on his way to Kyoto. |
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| 1146 | Feb | Taira-no-Kiyomori was appointed the governor of Aki Province. |
| 1167 | Feb 11 | Taira-no-Kiyomori was appointed the Prime Minister. |
| 1168 | Nov | A large shrine building similar to the one we have today was constructed owning to the patronage of Itsukushima Shrine by the Taira clan and the efforts of the Head Priest of Itsukushima Shrine, Saeki Kagehiro was responsible for the job. He also became Provincial Governor of Aki Province. |
| 1179 | Feb 29 | Itsukushima Shrine became the 22nd Imperial Shrine, and declared the First Day of the Monkey (according to the old lunar calendar) in both February and November as festival days. |
| Mar 26 | The Imperial Envoy Sakonoe-chujo (General) Taira-no-Shigehira, the son of Kiyomori, was offered to work for the shrine. | |
| 1180 | Mar 26 | Retired emperor Takakura-Joko visited the shrine. |
| 1189 | Jun | Minamoto-no-Yoritomo, who established the Kamakura shogunate, presented the Kagura (Spiritual Noh) Fund to the shrine. |
| 1278 | Autumn | Priest Ippen visited the shrine. |
| 1286 | Oct 19 | The Arinoura O-torii (Grand Gate) was reconstructed. |
| 1325 | Jun 25 | The Arinoura O-torii was destroyed by a typhoon. |
| 1357 | Nov 26 | The possession of Zokaho (former name of Higashi Hiroshima) in Aki Province was turned over to Zenchi, the representative for shrine priest Shimotsukenokami Chikanao. |
| 1362 | Jan 1 | The deity of the Marodo (Guest) Shrine was enshrined. |
| 1371 | Apr | The Arinoura O-torii was reconstructed. |
| 1389 | Mar 11 | Shogun Ashikaga Yoshimitsu visited the shrine. |
| 1523 | Aug 5 | Inter-clan warfare broke out at Tomoda between Sue Yorifusa and Tomoda Yorifuji. |
| Aug 18 | Hironaka Takenaga, a general for Ouchi Yoshioki, one of the contending clans, came to Itsukushima with his marine corps. They attacked and defeated a rival clan leader, Tomoda Yorifuji. Ouchi's troops tookover Hatsukaichi. |
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| 1524 | Jul 3 | Ouchi's forces besieged Sakurao Castle, and Yoshioki arrived at Itsukushima to oversee the troops. |
| Jul 10 | Sakurao Castle was defeated. | |
| 1525 | Feb 10 | Sue Yorifusa arrived at Itsukushima for a reception for Ouchi Yoshioki. |
| Feb 26 | Ouchi Yoshioki transferred his headquarters from Itsukushima to Kadoyama, then added troops to Aki Province. | |
| Dec 28 | Otomo's reinforcements arrived at Itsukushima. Ouchi Yoshioki aligned those troops and invaded various castles. | |
| 1527 | Ouchi's forces entered Bingo-oku County and fought against Amako. | 1539 | Jun 8 | Priest Sonkai of Daiganji temple took Ouchi Yoshitaka's writ to Korea and received the Daizokyo (Buddhist canons). |
| 1540 | Oct 4 | Ouchi Yoshitaka's general, Sue Takafusa, arrived at Itsukushima, then went to support Koriyama Castle. |
| Nov 1 | Ouchi Yoshitaka established an eternal flame sights he lit on Itsukushima for the safety and victory of his troops. | |
| Nov 28 | On the occasion of the enshrining of the deity in the Outer Shrine (Jigozen Shrine), Ouchi Yoshitaka donated a set of swords and 12 kanmon (a monetary unit). | |
| 1541 | Jan 12 | Tomoda Yorifuji, leader of Sakurao Castle, betrayed Ouchi and used an Iyo (former name of Ehime Prefecture) pirate ship to take over Itsukushima. |
| Jan 15 | Ouchi's general, Kurokawa Takanao, destroyed the pirate ship in front of the O-torii and restored Itsukushima. | |
| Jan 18 | Tanamori Fusaaki arrived at Iwakuni and had an audience with Ouchi Yoshitaka. | |
| Feb 23 | Ouchi Yoshitaka appointed Tanamori Fusaaki as head priest of the shrine. | |
| Mar 18 | Ouchi Yoshitaka set up his headquarters at Kadoyama in Ono and besieged Sakurao Castle. | |
| Apr 18 | Ouchi Yoshitaka visited Itsukushima Shrine. | |
| 1553 | May 16 | Mori Takamoto prayed for victory in war. |
| 1554 | May 12 | Mori Motonari besieged Itsukaichi Castle and also acquired Kanayama, Yagi, Koi, and Sakurao Castles. |
| Jun 1 | Mori Motonari defeated Sue Harukata's troops at Oshikihata. | |
| 1555 | Apr 4 | Mori Takamoto prayed for victory in war. |
| Sep 16 | Sue Harutaka built a fortress on To-no-oka (Pagoda Hill) and besieged Mori's troops at Miyao Castle. | |
| Oct 1 | Mori Motonari assaulted To-no-oka and defeated Sue Harutaka. Harutaka committed suicide at Oenoura, a small inlet on Itsukushima. | |
| 1556 | Apr | Mori Takamoto constructed Tenjin Shrine (Important Cultural Property). |
| Jun 18 | Mori Motonari changed the planking of the corridors of Itsukushima Shrine. | |
| 1557 | Feb 21 | Mori Motonari and Mori Takamoto prayed for victory in the attack on Suzuma Castle of Boshu Province. |
| Apr | Mori Motonari and Mori Takamoto constructed Soribashi (High-arched Bridge (Important Cultural Property)) and the Giboshi (Imitation Gemstone). | |
| 1561 | Oct 4 | Mori Motonari and Mori Takamoto reconstructed the Arinoura O-torii. |
| 564 | Mar | Mori Motonari restored Oyuya. |
| 1569 | Oct | Mori Motonari and others visited Itsukushima Shrine. |
| 1587 | Jan | Toyotomi Hideyoshi declared that within the precincts of the shrine, fighting and violence among the military forces, encampment, and the taking of natural resources (wood and bamboo) were prohibited in regard to going to war in Kyushu. |
| Mar | Toyotomi Hideyoshi ordered Ekei, the Head Priest of Ankokuji Temple to build Senjokaku (Thousand Mat Hall of Hokoku Shrine (Important Cultural Property)). | |
| Jul 12 | Hosokawa Fujitaka Nyudo Genshi came to Itsukushima. | |
| 1592 | Apr | General Toyotomi Hideyoshi visited Itsukushima Shrine. |
| 1692 | Due to an appeal made to the Miyajima Magistrate, Haruichi (the spring market) was revived by the Hiroshima domain. | |
| 1736 | Due to water damage, an earthen bank was built at the estuary of the Mitarai River and a field of pine trees was planted. | |
| 1825 | The "Geihantsushi" (a publication of compiled local information concerning the conditions within Aki Province) was published. | |
| 1832 | The "Itsukushima Ema-kagami" (a publication containing information and details concerning Itsukushima Shrine's Votive Picture Tablets) was published. | |
| 1836 | The "Itsukushima Zu-e" (pictures of famous sites on Itsukushima) was published. | |
| 1868 | Mar 28 | The Decree of the Separation of Buddhism and Shintoism was issued. An anti-Buddhist movement took place, and it led to the destruction of many Buddhist temples. Itsukushima Shrine was also deprived of its land. |
| 1872 | Apr | Toyokuni Daimyojin (the deified entity of Toyotomi Hideyoshi) enshrined at Senjokaku (Thousand Mat Hall of Hokoku Shrine). |
| 1880 | Mar | Hozan Shrine was enshrined at Tahoto Pagoda. |
| 1889 | Apr | Itsukushima-cho (Itsukushima Town) was established. |
| 1897 | Dec 28 | The Heike Nokyo (the 33 illuminated sutra scrolls donated by the Taira clan) was designated as a National Treasure. |
| 1906 | Nov 24 | The hiking trail on Mt. Misen was completely refurbished due to the donation by Ito Hirofumi. |
| 1914 | Oct 21 | Electric lights became available in the shrine office. |
| 1917 | Nov 11 | The Commemorative Unveiling Ceremony of Toko. Ito Hirofumi's Refurbishment Project (refurbishment of the hiking trail on Mt. Misen) was held. |
| 1920 | Feb 10 | The forests on Miyajima and Itsukushima Shrine were declared government property. |
| 1923 | Mar 7 | The entire island of Itsukushima received designation as a historical spot and< place of scenic beauty. |
| 1949 | Jan | Repair work began on the damage caused to the buildings by water and landslides. (The Extensive Renovation of the Showa Era) |
| 1950 | May 30 | The Cultural Property Preservation Law stated all the National treasures of Miyajima were designated as Important Cultural Property. |
| Sep 13 | All of the buildings sustained damage due to the high tides caused by Typhoon Kijiya. | |
| Nov 3 | The name, Itsukushima cho, was changed to Miyajima cho. | |
| 1951 | Dec 24 | The Cultural Property Preservation Law stated all of the National treasures of Miyajima were released from National Treasures and designated as Important Cultural Property. |
| 1952 | Nov 22 | The entire Itsukushima Island was designated as a special historical spot and site of scenic beauty. |
| 1953 | Mar 20 | Hosankai (a support committee) was organized for the establishment of Kiyomori Shrine to eulogize the achievements of the famous general Taira-no-Kiyomori, and the Kiyomori Festival was observed. |
| 1954 | Mar 20 | Kiyomori Shrine was established. |
| 1957 | Aug 31 | The Extensive Renovation of the Showa Era of Itsukushima Shrine was completed. |
| 1965 | Mar | The Treasure House of Itsukushima Shrine was completed. |
| 1982 | Sep | The restoration of Goju-no-to (Five-storied Pagoda) was completed. |
| 1991 | Sep 27 | Itsukushima Shrine was severely damaged due to Typhoon No.19. |
| 1995 | Oct | Itsukushima Shrine celebrated Gochinza-sai, the 1400 anniversary of its establishment. |
| 1996 | Dec | Itsukushima Shrine was registered as a World Cultural Heritage |
