About Ministry
- 1950.7.8
- General Macarthur authorizes the establishment of the National Police Reserve.
- 1951.9.8
- 49 countries sign Peace Treaty with Japan.
- 1952.8.1
- National Safety Agency established.
- 1952.8.1
- National Safety College (predecessor of the National Institute for Defense Studies) established.
- 1952.8.1
- Technical Research and Development Institute established.
- 1952.10.15
- National Safety Force inaugurated.
- 1953.4.1
- National Safety Academy (predecessor of National Defense Academy) established.
- 1954.7.1
- Defense Agency established; Ground, Maritime, and Air self-Defense Forces inaugurated.
- 1954.7.1
- Central Procurement Office (predecessor of Central Contract Office) established
- 1962.11.1
- Defense Facilities Administration Agency established.
- 1974.4.25
- National Defense Medical College established.
- 1997.1.20
- Defense Intelligence Headquarters established.
- 2000.5.8
- Defense Agency moves to the Ichigaya buildings.
- 2007.1.9
- Transition to the Ministry of Defense.