Calcutta (now Kolkata) was the capital of British India from 1772 to 1911, when it was replaced by Delhi.

The Doctrine of Lapse was a policy that allowed the British to annex Indian territories if the ruling prince died without a male heir.

The province of Bengal was partitioned in 1905 to appease the Bengali population, who were demanding greater autonomy.

The Khilafat Movement was a movement that sought to unite Hindus and Muslims against British rule by supporting the Ottoman Empire during World War I.

The Indian National Congress's first session was held in Bombay (now Mumbai) in 1885.

The Rowlatt Act was a law that allowed the British to detain political prisoners without trial, which led to widespread protests and the Jallianwala Bagh massacre.

The Jallianwala Bagh massacre took place in Amritsar, Punjab, in 1919, when British troops fired on a crowd of unarmed civilians.

The Swadeshi Movement was a movement that sought to promote the use of Indian-made goods and boycott British goods as a form of protest against British rule.

The Indian National Congress's annual session in 1927 was held in Lahore, where the resolution for complete independence from British rule was passed.

The Government of India Act 1919 granted Indians limited self-government by introducing a bicameral legislature and allowing Indians to hold certain positions in the government.

The Constituent Assembly of India, which drafted the Indian constitution, was held in New Delhi.

The Hindi Prachar Sabha was a movement that sought to promote the use of Hindi as the national language of India.

The Indian National Congress's annual session in 1942 was held in Bombay, where the Quit India Movement was launched.

The Indian Independence Act 1947 divided India into two dominions, India and Pakistan.

New Delhi became the capital of India after independence in 1947.