In 1868, 29-year-old Jamsetji Nusserwanji Tata established a trading company with a capital of ₹21,000, marking the inception of the Tata group.

Jamsetji Tata, the visionary entrepreneur, laid the foundation for the future success of the Tata group through his pioneering efforts.

In 1902, the Tata Group incorporated the Indian Hotels Company, which later commissioned the iconic Taj Mahal Palace & Tower, India's first luxury hotel.

In 1907, Tata Limited, the first overseas office of the Tata group, was established in London, signaling the beginning of the group's global aspirations.

In 1919, Sir Ratan Tata passed away, leading to the establishment of the Sir Ratanji Tata Trust & Allied Trusts with a corpus of Rs. 8 million.

In 1930, the Tata Limited team enjoyed an outing at Skindles Hotel in Maidenhead, Berkshire, UK.

Ratan Tata succeeded J. R. D. Jehangir Ratanji Dadabhoy Tata (JRD), an aviator industrialist, in a significant transition within the Tata Group's leadership.

Ratan Naval Tata, an Indian industrialist, philanthropist, and former chairman of Tata Sons, was born on December 28, 1937, in Bombay (now Mumbai). He played a significant role in transforming the Tata Group into a global business conglomerate.

In 1955, Ratan Tata left for Cornell University in Ithaca, New York, USA at the age of 17 to study architecture and engineering over a seven-year period.

Ratan Tata graduated from Cornell University with a bachelor's degree in architecture in 1959. He later made a significant donation to the university in 2008.

Ratan Tata joined the Tata Group in 1961 and worked on the shop floor of Tata Steel before eventually succeeding J. R. D. Tata as the chairman of Tata Sons in 1991.

On September 22, 1962, an individual started working at the Tata Group.

In 1963, Ratan Tata joined Tisco, which is now known as Tata Steel, after spending six months at Telco, currently Tata Motors. This marked the beginning of his long and successful career within the Tata Group.

In 1965, Ratan Tata was appointed as a technical officer in Tisco’s engineering division.

In 1969, Ratan Tata worked as the Tata group’s resident representative in Australia.

In 1970, Ratan Tata returned to India and joined Tata Consultancy Services, which was a software fledgling at that time, for a short stint.

Ratan Tata was appointed as the director of National Radio and Electronics Company Limited (NELCO) in 1971, marking a significant milestone in his career within the Tata Group.

On September 22, 1974, an individual was appointed as a director at Tata Sons.

In 1977, completed a management programme from Harvard Business School.

On September 22, 1981, Ratan Tata was appointed as the chairman of Tata Industries.

In 1982, JRD Tata and Dr. Jamshed Bhabha conceptualized the National Centre for the Performing Arts to uphold India's cultural heritage by establishing a world-class performing arts center.

Creates the Tata strategic plan.

Ratan Tata became the chairman of the Tata Group in 1990, a position he held until 2012. During his tenure, the Tata Group expanded globally through acquisitions like Tetley, Jaguar Land Rover, and Corus.

Assumes the role of Chairman of Tata Sons and Chairman of the Tata trusts, succeeding JRD Tata.

After the passing of JRD Tata in 1993, Ratan Tata faced battles to establish his control over the Tata Group. Despite facing criticism, he displayed decency and preserved integrity by dealing with it in silence.

An interview with Ratan Tata was posted on Youtube on June 28, 2000.

In 2004, Tata Motors acquired the heavy vehicles unit of Daewoo Motors. This strategic move allowed Tata Motors to expand its presence in the heavy vehicles market.

In 2006, the Tata group responded to the changing landscape of satellite entertainment by launching Tata Sky, a Direct-to-Home (DTH) provider. This move marked the group's entry into the digital television space.

In 2007, Ratan Tata became the first civilian to fly the F-16 Falcon, also known as the Fighting Falcon, during an Indian Air race.

In 2008, Ratan Tata received the Padma Vibhushan, the second highest civilian honour in India, in recognition of his contributions to industry and philanthropy.

In March 2009, Ratan Tata spoke to students at Cathedral and John Connon in Bombay about his shyness and fear of public speaking during his school days. He mentioned a mathematics teacher who he felt was determined to prevent him from completing school.

In 2010, Tata Group companies and Tata charities donated to Harvard Business School and Tata Consultancy Services (TCS) donated to Carnegie Mellon University for various initiatives, showcasing Ratan Tata's philanthropic efforts.

Ratan Tata expressed sadness over Mukesh Ambani's lavish lifestyle in an interview with the Times of India on May 22, 2011.

On 28 December 2012, Ratan Tata stepped down as the Chairperson of Tata Sons after 21 years of leadership. He had transformed the organization into a global business during his tenure.

Ratan Naval Tata was interviewed by Tarun Khanna as part of the Creating Emerging Markets Project at Baker Library Historical Collections, Harvard Business School.

Cyrus Mistry was removed as chairman of Tata Sons on 24 October 2016, leading to Ratan Tata being made interim chairman.

On 12 January 2017, Natarajan Chandrasekaran was named the Chairperson of Tata Sons, succeeding Ratan Tata. The selection committee, including Ratan Tata, chose Chandrasekaran for the role.

In December 2019, the National Company Law Appellate Tribunal found that the removal of Cyrus Mistry as chairman of Tata Sons was illegal and ordered his reinstatement.

Tata's efforts and contributions to build his empire are acknowledged and appreciated at EuroSchool. He serves as an inspiration to many people in India and worldwide, with his fundamental principles being followed by others.