From a small section within the Association of Surgeons of India in 1954 to India's most prominent independent cardiothoracic surgical association — the story of IACTS spans seven decades of clinical ambition, collegial unity, and a relentless pursuit of surgical excellence.

1885
The doctors in the erstwhile Bengal formed the Bengal Medical Association under the Presidency of Rai Bahadur Dr. Lal Madhav Mukherjee.
1895
The All India Medical Association was formed under the Presidentship of Rai Bahadur Dr. Lal Madhav Mukherjee, with the Secretary being Dr. J.R. Wallace.
1895
With the Headquarter Office at Calcutta, the official organ, the Indian Medical Records, was published by Dr. J.R. Wallace.
1917
The first All India Medical Conference was held at Calcutta under the Presidency of Lt. Col. Raghavendra Rao at Belgachhia Medical College.
1938
Under the mentorship of Sir A. Lakshmanasamy Mudaliar and Dr. A. Venugopal, the ASI headquarters took shape at Madras (present Chennai).
1954
Under the leadership of Dr. Reeves Betts, the thoracic surgeons decided to form their own association within ASI during an ASI conference at Nagpur. Dr. Betts was the founder president.
1982
The association was formalized as the Association of Thoracic & Cardiovascular Surgeons of India (ATCVSI), with Dr. Solomon Victor as journal editor.
1985
At Bangalore, during the presidency of Dr. J.S. Gujral, it was decided to hold the annual scientific meeting independently every February.
1988
The first independent Annual Conference of ATCVSI was held at Madras in February 1988.
1990
A committee prepared the Memorandum, Rules and Regulations, and By-laws for the proposed new society. These were adopted at Pune in 1990.
1991
The Indian Association of Cardiovascular-Thoracic Surgeons (IACTS), with Dr. K.R. Shetty as protem President, was registered at Bombay under the Societies Act, 1860.
1991
The ATCVSI was dissolved on 15.6.1991 and its entire membership, funds, and assets were transferred to the new society, the IACTS.
1991
The first Executive Committee of the IACTS, with Dr. Sharad Panday as President and Dr. Pitamber Shatapathy as Secretary, took charge.
1992
Fellowship of the Association (F.I.A.C.S.) was instituted.
1992
A regular biannual publication of the Indian Journal of Thoracic and Cardiovascular Surgery (IJTCVS) commenced with Dr. Solomon Victor as Editor.