| 4th Century BC: | Used to be called SHETGANG. Ships from Middle East and China used this Port. |
| 9th century: | Omani & Yemeni traders landed in this Port. |
| 16th century: | Used to be known as "PORTE GRANDE". Portuguese took great interest to use this port. |
| 1887: | Formal Port operation started from 25th April. |
| 1895-1910: | Four Jetties were constructed to handle 0.5 million tons of cargo. Port used to be administered jointly by Port Commissioners and Assam-Bengal Railway. |
| 1960: | Chittagong Port Trust was formed. |
| 1976: | Chittagong Port Authority was formed. |
