- 1851 – First telegraph line in India is operational between Calcutta and Diamond Harbour.
- 1853 – First train in India runs from Bombay to Thane.
- 1857 – First war of Indian independence also called the Sepoy Mutiny by the British.
- 1885 – Formation of Indian National Congress by A.O. Hume, Dadabhai Naoroji, Dinshaw Wacha, W.C.Bonnerjee and others.
- 1905 – Partition of Bengal by Lord Curzon. Swadeshi Movement launched.
- 1909 – Indian Council Act is popularly known as Minto-Morley reforms allowing a limited increase in the involvement of Indians in governance passed.
- 1911 – Visit of King George V to India, Shifting of capital from Calcutta to Delhi. Jana Gana Mana first sung at Calcutta session of INC. The launch of first air mail in India & World from Bumraulli to Allahabad.
- 1919 – Government of India Act, 1919 introducing dyarchy, Rowlatt Act, Jallianwala Bagh tragedy.
- 1920 – Khilafat movement, Launch of Non-cooperation movement.
- 1922 – Chauri Chaura outrage in UP, Suspension of Non-cooperation movement.
- 1928 – Visit of Simon Commission to India, Death of Lala Lajpat Rai
- 1929 – Resolution of complete independence at Lahore session of Indian National Congress.
- 1930 – Dandi March, Launch of the Civil Disobedience Movement.
- 1931 – Gandhi-Irwin pact, execution of Bhagat Singh, Sukhdev, and Rajguru.
- 1935 – Government of India Act.
- 1942 – Quit India movement, Formation of Azad Hind Fauz.
- 1943 – Visit of Cripps Commission to India.
- 1946 – British Cabinet mission visited India.
- 1947 – Independence and partition of India.
- 1948 – Assassination of Mahatma Gandhi, 1st Pak aggression
- 1950 – India became republic
- 1951 – 1st Five-year plan and 1st Asian Games in Delhi
- 1952 – 1st General elections
- 1956 – Reorganisation of Indian states on linguistic basis
- 1957 – Introduction of decimal system in currency
- 1964 – Death of Jawaharlal Nehru
- 1965 – Indo-Pak war
- 1966– Death of Lal Bahadur Shastri
- 1969 – Split in Indian National Congress and nationalisation of 14 banks. India’s first Atomic Power Station. Tarapur commences commercial operation.
- 1974 – First nuclear test codenamed Smiling Buddha carried out at Pokhran (Rajasthan)(May 18).
- 1975 – First Indian satellite Aryabhata launched, Imposition of Emergency in the country.
- 1977 – Congress loses power for the first time at the centre
- 1984 – Death of Indira Gandhi.
- 1991 – Death of Rajiv Gandhi. Commencement of economic liberalisation in India.
- 1992 – Demolition of Babri Masjid.
- 1995 – Internet comes to India.
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