List of Major Activities
- August 1947
- First Peace Declaration delivered at the first Peace Memorial Ceremony
- August 1949
- Hiroshima Peace Memorial City Construction Law promulgated and enacted
- August 1952
- Cenotaph for the A-bomb Victims (Memorial Monument for Hiroshima, City of Peace) unveiled
- August 1955
- Hiroshima Peace Memorial Museum opens
- March 1957
- A-bomb Survivors Medical Law passed (effective April 1)
- July 1966
- Resolution to preserve the Atomic Bomb Dome adopted by City Council
- August 1967
- First preservation work on the A-bomb Dome finishes (Second time in March 1990, third time in March 2003, fourth time in July 2016)
- May 1968
- A-bomb Survivors Special Measures Law passed (effective September 1)
- September 1968
- First protest letter against nuclear testing sent
- April 1976
- Hiroshima Peace Culture Foundation established
- September 1983
- Permanent A-bomb exhibition unveiled at the UN headquarters in New York
- July 1985
- Resolution declaring Hiroshima a “Peace City for Nuclear Weapons Abolition” adopted by City Council
- August 1985
- First General Conference of the World Conference of Mayors for Peace through Inter-city Solidarity held (held once every four years thereafter. In August 2001, the organization renamed “Mayors for Peace”)
- August 1986
- Peace Summit in Hiroshima held (International Peace Symposium held annually thereafter)
- June 1992
- UN Conference on Disarmament Issues in Hiroshima held (also held in 1994, 1996, 2015 and 2017)
- May 1993
- A-bombed Buildings Preservation and Inheritance Project starts
- December 1994
- Law Pertaining to the Support of the A-bomb Survivors passed (effective July 1)
- July 1995
- A-bomb exhibition held at American University in the US (held in and outside of Japan every year thereafter)
- December 1996
- A-bomb Dome designated as a World Heritage site
- April 1998
- Hiroshima Peace Institute established at Hiroshima City University
- November 2003
- 2020 Vision Campaign launched by Mayors for Peace
- May 2005
- Call for nuclear weapons abolition by 2020 made by mayors of Hiroshima and Nagasaki at the NPT Review Conference
- July 2006
- Peace Memorial Museum Main Building designated National Important Cultural Asset
- November 2011
- Permanent A-bomb exhibition unveiled at the UN Office at Geneva
- January 2012
- First Japanese Member Cities Meeting of Mayors for Peace held
- April 2012
- Policies Regarding the Transformation and Honoring of the Paper Cranes put into action
- July 2012
- Training program for official A-bomb Legacy Successors initiated (Their activities started In April 2015)
- April 2014
- Non-Proliferation and Disarmament Initiative (NPDI) 8th Ministerial Meeting held in Hiroshima
- August 2015
- Meeting of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) Group of Eminent Persons (GEM) held
- November 2015
- Permanent A-bomb exhibition unveiled at the UN Office at Vienna
- April 2016
- G7 Foreign Ministers’ Meeting in Hiroshima held
- May 2016
- US President Barack Obama visits Hiroshima
- November 2017
- First meeting of Group of Eminent Persons for Substantive Advancement of Nuclear Disarmament held
- April 2019
- Hiroshima Peace Memorial Museum Main Building re-opens after renovation (East Building re-opened in April 2017)
- November 2019
- Pope Francis visits Hiroshima
- December 2022
- First meeting of the International Group of Eminent Persons for a World without Nuclear Weapons held
- May 2023
- G7 Hiroshima Summit held
