1857 – Spark of AZADI by Mangal Pandey – He attacked British officers at Barrackpore, near Calcutta, after refusing to use new cartridges that were rumored to be greased with animal fat, which was offensive to Hindu and Muslim soldiers.
1885 – Indian National Congress was founded at Gokuldas Tejpal Sanskrit College in Bombay.
1905 – Partition of Bengal was implemented by Lord Curzon – separated the largely Muslim eastern areas (East Bengal and Assam) from the largely Hindu western areas (West Bengal).
1906 – The All-India Muslim League, a political organization that represented the interests of Indian Muslims, was formed.
1911 – Shifting of the capital of British India from Calcutta to Delhi. This decision was made by King George V at the Delhi Durbar.
1914-1918 – Britain drags India in World War I
1915 – Return of Mohandas Karamchand Gandhi from South Africa
1919 – British troops fired on a peaceful gathering at the Jallianwala Bagh in Amritsar, resulting in the deaths of hundreds of civilians.
1921-1922 – Gandhi traveled across the country and encouraged people to boycott British goods and government institutions.
1924 – Moplah Riots between Hindus and Muslims
1927 – Formation of the Simon Commission, an all-British body, to review India's constitutional progress.
1930 – Gandhi led the Dandi March from Sabarmati Ashram to the coastal town of Dandi. It was a direct action campaign against the British salt monopoly, which heavily taxed salt production in India.
23 March 1931 – Bhagat Singh was hanged to death.
1935 – Government of India Act was passed, which laid the groundwork for the future constitution of British India.
1937 – Provincial Elections begin (1 April) with Congress winning an absolute majority in many states. In Bombay, they were in a position to form a ministry with the support of independents.
1939 – Outbreak of World War II
1941 – Subhash Chandra Bose Escapes from India.
March 1942 – The British war cabinet announces the Sir Stafford Cripps Mission.
May 1942 – Gandhi meets Cripps
Aug 1942 – Pass Quit India
1943 – Bose takes charge of the Indian National Army
1945 – World War II ends and the Labour Party forms the government
1946 – All-India Muslim League decided to take Direct Action Day to demand a separate Muslim homeland after the British exit from India, which became a day of communal violence in Calcutta.
June 1947 – The British, Congress, and Muslim League agree to PARTITION and INDEPENDENCE
15 August 1947 – INDEPENDENCE