APPENDIX-11
| APR.5,1915 | The Construction of the Hiroshima Prefectural Commercial Exhibition Hall is completed. |
| AUG.15,1915 | The Hiroshima Prefectural Commercial Exhibition Hall opens. |
| JAN.1,1921 | Name changed to the Hiroshima Prefectural Products Exhibition Hall. |
| NOV.1,1935 | Name changed to the Hiroshima Prefectural Industrial Promotion Hall. |
| AUG.6,1945 | Atomic bomb explodes approximately 150 meters southeast of the building (approximately 580 meters above), causing extensive damage and fires. Everyone in the building at the time was killed instantly. |
| 1947 | From about this time, debate begins on the demolition or preservation of the Dome. |
| AUG.6,1949 | Winning entry is decided in public contest for design of the Peace Memorial Park. The concept of the Peace Memorial Park centered on the Dome takes shape. |
| AUG.6,1952 | The Peace Memorial Ceremony begins before the Cenotaph for the Atomic Bomb Victims (official name: Memorial Monument for Hiroshima, City of Peace) in the Peace Memorial Park. |
| NOV.14,1953 | Hiroshima Prefecture donates the Dome to the City of Hiroshima. |
| AUG.24,1955 | Hiroshima Peace Memorial Museum opens. |
| DEC.2,1960 | The Japan Council against Atomic and Hydrogen Bombs requests the city of Hiroshima to preserve the Dome. |
| 1962 | Wire netting is placed around the Dome, and entry inside is prohibited. |
| MAR.31,1964 | The Construction of the Peace Memorial Park is completed. |
| DEC.22,1964 | Eleven peace organizations request the City of Hiroshima to preserve the Dome. |
| MAR.29,1965 | Nobel prize winners, Hideki Yukawa and others request the City of Hiroshima to preserve the Dome. |
| JUL.28,1965 | The City of Hiroshima begins the first survey on the preservation of the Dome. |
| JUL.11,1966 | The Hiroshima City Council adopts resolution on preservation of the Dome. |
| NOV.1,1966 | The City of Hiroshima begins fund-raising campaign for preservation of the Dome (ultimately collecting 66 million). |
| APR.10,1967 | The City of Hiroshima begins the first stage of construction work for preservation of the Dome. |
| AUG. 5,1967 | The City of Hiroshima completes the first stage of construction work for preservation of the Dome. |
| MAR.29,1983 | The City of Hiroshima establishes a plaza in the vicinity of the Dome. |
| JUL.11,1987 | The City of Hiroshima begins the second survey for preservation of the Dome. |
| MAY.1,1989 | The City of Hiroshima begins fund-raising campaign for preservation of the Dome (ultimately collecting 395 million). |
| OCT.31,1989 | The City of Hiroshima begins the second stage of construction work for preservation of the Dome. |
| MAR.7,1990 | The City of Hiroshima establishes a fund for preservation work on the Dome (with a balance of396 million as of March 31, 1995). |
| MAR.31,1990 | The City of Hiroshima completes the second stage of preservation work on the Dome . |
| JUN.15-18,1992 | The United Nations Conference on Disarmament Issues is held at the International Conference Center, Hiroshima in the Peace Memorial Park. |
| SEP.30,1992 | The City of Hiroshima completes the first survey on the degree of stability of the Dome. |
| JUN. 27,1995 | The Minister of Education designates the Dome as a Historic Site on the basis of the Law for the Protection of Cultural Properties. |