| Sl No | Title | Date |
|---|---|---|
| 1 | The 1st IEI-Springer Journal-Series 'C' Published | 2012-01-22 |
| 2 | The 1st IEI Convocation was held at Ranchi. The Convocation was inaugurated by His Excellency Dr A R Kidwai, Governor of Bihar. | 1993-10-15 |
| 3 | The 1st Indian Engineering Congress was held at Calcutta which was inaugurated by the then honourable Prime Minister of India, Shri Rajiv Gandhi. | 1987-01-09 |
| 4 | Dr Zakir Hossain, His Excellency, the President of India, inaugurated the nine-storied building of IEI HQ at Kolkata. | 1968-01-01 |
| 5 | The 1st Bye-laws were approved by the Privy Council, England to come into force. | 1937-10-21 |
| 6 | The Royal Charter was granted to the Institution at the Court at Buckingham Palace of his Majesty king & Emperor George. | 1935-09-09 |
| 7 | The 1st Technical Paper "The Howrah Bridge Problem-A case for a floating bridge". | 1921-02-23 |
| 8 | Announcement of "The Viceroy's Prize" for the best technical paper. | 1921-02-23 |
| 9 | The Inauguration of Institution by His Excellency Lord Chelmsform, the then Viceroy and Governor General of India concurrently with 1st Annual General meeting at the Asiatic Society of Bengal. | 1921-02-23 |
| 10 | The Institution was formally registered in Madras under Indian Companies Act of 1913. | 1920-09-13 |