1915 4. 5 1921 1. 1 1933 11. 1 1945 8. 6 1947 1949 8. 6 1953 11. 14 1962 1964 12. 22 1965 7. 28 1966 7. 11 1996 11. 1 1967 4.10-8.5 1983 3. 29 1987 7. 11 1989　　5.　 1 1989 10. 31- 1990 3. 31 1990 3. 7 1992 9. 30 1995 6. 27 1995 9. 28 199 12. 5 Construction of Hiroshima Prefectural Commercial Exhibition Hall completed. Name changed to Hiroshima Prefectural Products Exhibition Hall. Name changed to Hiroshima Prefectural Industrial Promotion Hall. A-bombed at a distance of 160 meters northwest of the hypocenter.Roof and floor completely destryed by blast and fire. All persons in building killed instantly. Discussion begins regarding whether or not to preserve A-bomb Dome. Design selected for the Peace Memorial Park. General outline of park takes shape with A-bomb Dome on the central axis. Hiroshima Prefecture donates A-bomb Dome to Hiroshima City. Chain-link fence installed around A-bomb Dome; entry prohibited. Eleven peace groups call on Hiroshima City to preserve A-bomb Dome. Study of A-bomb Dome's structural integrity begins. Hiroshima City Council decides to preserve A-bomb Dome. Hiroshima City begins fundraising for preservation of A-bomb Dome. First A-bomb Dome preservation project. Completion of landscaping and preparation of the grounds around A-bomb Dome. A-bomb Dome preservation survey begins. Hiroshima Ctiy begins fundraising for A-bomb Dome. Second A-bomb Dome preservation project. Hiroshima City establishes A-bomb Dome preservation project fund. Completion of first routine survey of A-bomb Dome 's structural soundness（hereafter to be conducted every three years）. Minister for Education designates A-bomb Dome as historical site. Government of Japan nominates A-bomb Dome to World Heritage Commitee. World Heritage Committee decides to register A-bomb Dome as a World Heritage site.