Events in Indian history from (300 BC to 2021)

322–297 BC: Chandragupta Maurya establishes the Maurya Empire, overthrowing the Nanda Dynasty.
321 BC: Chandragupta Maurya ascends to the throne of the Maurya Empire.
305 BC: Chandragupta Maurya defeats Seleucus I Nicator, a general of Alexander the Great, and establishes a treaty.
273–232 BC: Reign of Ashoka the Great, known for his support of Buddhism and the spread of the Dharma.
185 BC: Fall of the Maurya Empire and rise of the Shunga Dynasty.
100 BC: Emergence of the Satavahana Dynasty in central India.
78 AD: Beginning of the Shaka Era, with the establishment of the Western Kshatrapas in western India.

600 AD: The rise of Harsha Vardhana as Emperor of Northern India.
711 AD: Muhammad bin Qasim’s invasion of Sindh, marking the beginning of Islamic influence in India.
1192 AD: The Battle of Tarain, where Muhammad Ghori defeats Prithviraj Chauhan, leading to the establishment of the Delhi Sultanate.

1206 AD: Establishment of the Delhi Sultanate by Qutb-ud-din Aibak.
1398 AD: Timur (Tamerlane) invades India, causing significant destruction.
1526 AD: The Battle of Panipat, where Babur defeats Sultan Ibrahim Lodi, leading to the establishment of the Mughal Empire.

1530-1540 AD: Reign of Akbar the Great, known for his administrative reforms, cultural integration, and religious tolerance.
1600 AD: Establishment of the British East India Company.
1615 AD: The first English ambassador, Sir Thomas Roe, arrives at the Mughal court.
1636 AD: Shah Jahan becomes the Mughal Emperor; construction of the Taj Mahal begins.
1707 AD: Death of Aurangzeb, leading to the decline of the Mughal Empire.
1757 AD: Battle of Plassey; British East India Company defeats the Nawab of Bengal, marking the beginning of British control over India.
1761 AD: Third Battle of Panipat; the Maratha Empire suffers a defeat by the Durrani Empire.

1857 AD: The Indian Rebellion (Sepoy Mutiny) against British rule.
1885 AD: Formation of the Indian National Congress (INC).
1919 AD: Jallianwala Bagh massacre in Amritsar, a significant event in the Indian independence movement.
1930 AD: Mahatma Gandhi launches the Salt March, a significant act of civil disobedience against British salt laws.
1942 AD: The Quit India Movement is launched by the Indian National Congress, demanding an end to British rule.

1947 AD: India gains independence from British rule on August 15; the Indian subcontinent is partitioned into India and Pakistan.
1950 AD: The Constitution of India comes into effect, establishing India as a Republic.
1965 AD: India-Pakistan War over the Kashmir dispute.
1971 AD: India-Pakistan War leads to the creation of Bangladesh as an independent country.
1984 AD: Operation Blue Star, an Indian military action in the Golden Temple, Amritsar, leading to significant controversy and unrest.
1991 AD: Economic liberalization and reforms initiated by the Indian government, leading to significant economic growth.
2001 AD: Indian Parliament attack by terrorists.
2008 AD: Mumbai attacks by Pakistani militants cause widespread casualties and global condemnation.
2014 AD: Narendra Modi becomes the Prime Minister of India; the Bharatiya Janata Party (BJP) wins a significant electoral victory.
2016 AD: Demonetization of ₹500 and ₹1000 currency notes, aimed at curbing black money and corruption.
2020 AD: Implementation of the Citizenship Amendment Act (CAA) leads to nationwide protests.
2021 AD: India rolls out COVID-19 vaccination on a large scale amid the ongoing pandemic.