| 1955 - |
Founding of Haigazian College, using the Webb Building. |
| 1966 - |
Becoming an institution of higher education by decree # 3/3991 |
| 1970 - |
Purchase of the Mugar Heritage Building. |
| 1971 - |
Official Recognition of degrees BA & BS, Normal Diploma as equivalent to the Lebanese License. |
| 1987 - |
Moving the campus to the Christian Medical Center in Ashrafieh District due to war. |
| 1992 - |
Named Haigazian University College instead of Haigazian College. |
| 1996 - |
Named, by decree #9657, Haigazian University and starting to grant Maters degrees. |
| 1997 - |
Moving campus back to its original campus in the Kantari District. |
| 2000 - |
Incorporated in the USA as a non-profit 501(c)(3) organization. |
| 2001 - |
Building of a 4th building on the Mugar property. |
| 2004 - |
Rent of the left wing of the Armenian Evangelical College. |
| 2004 - |
Purchase of the New Heritage Building Plot. |
| 2011 - |
The registration of Haigazian University Press |
| 2012 - |
The inauguration of Haigazian University Armenian Diaspora Research Center
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