| Feb.23,1956 |
Ministry of Education approved the establishment of Hiroshima Radio-wave Vocational School. |
| April 1,1956 |
Hiroshima Radio-wave Vocational School opened. |
| Nov.27,1957 |
Ministry of Education approved the establishment of Tsuru Gakuen. |
| April 1,1958 |
Hiroshima Radio Technical High School (now H.I.T. Senior High School) opened. |
| April 1,1961 |
Hiroshima Technical Junior College opened. Hiroshima Technical Junior College Junior High School (now Hiroshima Nagisa Junior High School) opened. |
| April 1,1963 |
Hiroshima Institute of Technology (Faculty of Engineering) opened. |
| April 1,1965 |
Hiroshima Senior High School (now Hiroshima Nagisa Senior High School) opened. |
| April 1,1984 |
Hiroshima Institute of Technology Hiroshima Information Vocational School (now H.I.T. Polytechnic) opened. |
| April 1,1989 |
Graduate School of Engineering, Hiroshima Institute of Technology, was established.(now Graduate School of Science and Technology, Hiroshima Institute of Technology) |
| April 1,1993 |
Faculty of Environmental Studies, Hiroshima Institute of Technology, was established. |
| April 1,1997 |
Graduate School of Environmental Studies, Hiroshima Institute of Technology, was established.(now Graduate School of Science and Technology, Hiroshima Institute of Technology) |
| April 1,2000 |
Deneb Senior High School opened. |
| April 1,2003 |
Nagisakoen Elementary School opened. |
| April 1,2006 |
Faculty of Applied Information Science, Hiroshima Institute of Technology, was established. |
