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The History of Okayama
| 1597 (Keicho 2) |
Okayama Castle Donjon (main tower) completed. |
|---|---|
| 1700 (Genroku 13) |
Korakuen Garden completed. |
| 1889 (Meiji 22) |
Given city status. |
| 1945 (Showa 20) |
Air raid on Okayama City. |
| 1957 (Showa 32) |
Establishment of a sister city relationship with San Jose, U.S.A. |
| 1962 (Showa 37) |
The 17th Kokutai (National Sports Competition). |
| 1966 (Showa 41) |
Okayama Castle Donjon reconstructed. |
| 1968 (Showa 43) |
Okayama City Hall completed. |
| 1969 (Showa 44) |
Establishment of a sister city relationship with San Jose, Costa Rica. Incorporation of Saidaiji City. |
| 1971 (Showa 46) |
Incorporation of the towns of Ichinomiya, Tsudaka, Takamatsu, Kibi, Senou, Fukuda, Joudou, Ashimori and the village of Koujyo. |
| 1972 (Showa 47) |
Sanyo Shinkansen (bullet train line) between Shin-Osaka and Okayama opened. Establishment of a sister city relationship with Plovdiv, Bulgaria. |
| 1975 (Showa 50) |
Incorporation of the village of Fujita. |
| 1976 (Showa 51) |
Nishigawa Canal Walk completed. |
| 1979 (Showa 54) |
Okayama Orient Museum completed. |
| 1981 (Showa 56) |
Establishment of a sister city relationship with Luoyang, China. |
| 1985 (Showa 60) |
Adoption of the Peace City Declaration by Okayama City Council. |
| 1988 (Showa 63) |
Okayama Airport opened. Seto Ohashi Bridge completed. |
| 1989 (Heisei 1) |
Centenary of the organization of Okayama City. |
| 1991 (Heisei 3) |
Okayama Symphony Hall opened. |
| 1993 (Heisei 5) |
Okayama Fureai Center and Sanyo Expressway opened. |
| 1994 (Heisei 6) |
Transition to a Health Center City. |
| 1996 (Heisei 8) |
Transition to a Core City. |
| 1997 (Heisei 9) |
400th anniversary of Okayama Castle. Trans-Chugoku Expressway between Okayama and Yonago opened. |
| 1998 (Heisei 10) |
Health and Welfare Center opened. |
| 2000 (Heisei 12) |
300th anniversary of Korakuen Garden. |
| 2001 (Heisei 13) |
Mamakari Forum Okayama opened. |
| 2002 (Heisei 14) |
Okayama City Hall Annex completed. Establishment of an international friendship city relationship with Bucheon, Korea. |
| 2003 (Heisei 15) |
Okayama Dome opened. Establishment of an international friendship city relationship with Hsin-Chu, Taiwan. |
| 2005 (Heisei 17) |
Incorporation of the towns of Mitsu and Nadasaki. Okayama Digital Museum opened. 60th Kokutai (National Sports Competition) and 5th Kokutai (National Sports Competition) for the Disabled. |
| 2007 (Heisei 19) |
Incorporation of the towns of Takebe and Seto. Passage of a written statement concerning the realization of a government-designated city by Okayama City Council. Conclusion of the prefectural and municipal fundamental agreement for the transition to a government-designated city. |