The Harappan Civilization, also known as the Indus Valley Civilization, thrived in the Indus River Valley region between 2500 and 1900 BCE.

Chandragupta Maurya founded the Mauryan Empire in 321 BCE and expanded it across much of the Indian subcontinent.

Chandragupta II, also known as Vikramaditya, ruled the Gupta Empire from 375 to 415 CE and is considered one of the greatest rulers in Indian history.

The Mamluk Dynasty, founded by Qutb-ud-din Aibak, established the Delhi Sultanate in 1206 CE.

Shah Jahan, the fifth Mughal emperor, commissioned the construction of the Taj Mahal in memory of his wife, Mumtaz Mahal.

The Battle of Plassey in 1757 marked the British East India Company's victory over the Nawab of Bengal, Siraj-ud-Daulah, and established British dominance in the region.

The 'Quit India' resolution was passed at the Bombay Session of the Indian National Congress in August 1942.

India gained independence from British rule on August 15, 1947, after a long struggle for freedom.

Rajendra Prasad was the first President of the Republic of India, serving from 1950 to 1962.

The States Reorganization Act of 1956 led to the formation of Andhra Pradesh, Kerala, and Karnataka as new states in India.

The Green Revolution in India was a period of agricultural transformation that aimed to increase crop yields and overall agricultural productivity.

P. V. Narasimha Rao introduced the 'Look East' policy during his tenure as Prime Minister from 1991 to 1996.

The Information Technology Act of 2000 provides a legal framework for electronic transactions and addresses issues related to cybercrime.

Telangana was formed as a separate state from Andhra Pradesh on June 2, 2014.

The Goods and Services Tax (GST) was introduced in India on July 1, 2017, replacing multiple indirect taxes levied by the central and state governments.