Gandhi ji returned from South Africa in 1915 and in 1917 he launched his first successful Satyagraha in Champaran in Bihar against the indigo planters at the request of Raj Kumar Shukla.

The Indian Opinion was a newspaper established by Indian leader Mohandas Karamchand Gandhi. The publication was an important tool for the political movement led by Gandhi and the Natal Indian Congress to fight racial discrimination and win civil rights for the Indian immigrant community in South Africa.

Champaran Satyagraha (1917): To opposition the plantation of indigo .
Rowlatt Act Satyagraha (1919): Against the Rowlatt Act or the Black Act.
Jallianwala Bagh Massacre (1919): In Amritsar (Punjab).
Chauri-Chaura incident (1922): In Chauri-Chaura village (Gorakhpur, Uttar Pradesh).

On 5 February 1922, participants of the Non-cooperation movement clashed with police resulting in the deaths of about 22 policemen and 3 civilians at Chauri Chaura in the Gorakhpur District in the United Provinces (present-day Uttar Pradesh).

Some young Congress leaders were dissatisfied with Gandhiji withdrawing the Non-Cooperation Movement due to a small incident in Chaura-Chauri. As a result of this decision of Gandhiji, some leaders of the Congress, CR Das and Motilal Nehru formed the Swaraj Party in Allahabad on 1 January 1923, and the president was C.R. R. Das and Motilal Nehru was General Secretary.

Chittaranjan Das (C. R. Das), popularly called Deshbandhu (Friend of the Nation), (5 November 1870 - 16 June 1925), was a leading Bengali politician, a prominent lawyer, an activist of the Indian National Movement and founder-leader of the Swaraj (Independence) Party in Bengal during British occupation in India.

On 23 November 1919, the All India Khilafat Committee session was held in Delhi and Gandhiji was elected its president. The credit for starting this movement is given to Ali-brothers, Maulana Muhammad Ali and Shaukat Ali.

A committee was formed to draft the Constitution of India. Its chairman was Motilal Nehru, the report prepared by this committee is known as Nehru Report (1928 AD). The committee had a total of 9 members, including two Muslims. The Nehru report declared the goal of Dominion status.

The Komagata Maru incident involved the Japanese steamship Komagata Maru, on which a group of people from British India attempted to emigrate to Canada in 1914, but most were denied entry and forced to return to Calcutta (present-day Kolkata), India.

The Hindustan Republican Association (H.R.A) was founded in Kanpur in 1924 by revolutionaries like Shachindranath Sanyal, Ram Prasad Bismil, Yogesh Chandra etc. It was renamed as Hindustan Socialist Republican Association (H.S.R.A) on 10 September 1928 under the leadership of Chandrashekhar Azad at Delhi's Ferozeshah Kotla Maidan. Other members Bhagat Singh, Sukhdev and Bhagwati Charan Bohra were also involved in its formation.

The first Muslim president of the Indian National Congress party was Badruddin Tyabi. He was selected after selected as the third President of the Congress from 1887 to 1888 after WC Bannerjee and Dadabhai Naoroji (1886).

The government of Portuguese India started in 1505, six years after the discovery of the sea route to India by Vasco da Gama, with the nomination of the first Viceroy Francisco de Almeida, then settled at Kochi.

The government of Portuguese India started in 1505, six years after the discovery of the sea route to India by Vasco da Gama, with the nomination of the first Viceroy Francisco de Almeida, then settled at Kochi.

The Congress Socialist Party was founded in 1934 with the efforts of Acharya Narendra Dev and Jayaprakash Narayan.

Kesari is a newspaper founded in 1881 by Lokmanya Bal Gangadhar Tilak, a prominent leader of the Indian Independence movement.

Vijaya Lakshmi Pandit (18 August 1900 - 1 December 1990) was an Indian diplomat and politician who was elected as the first female president of the United Nations General Assembly.

The Tebhaga movement was significant peasant agitation, initiated in Bengal by the Kisan Sabha (peasant front of the Communist Party of India) in 1946-47.

Abhinav Bharat Society (Young India Society) was a secret society founded by Vinayak Damodar Savarkar and his brother Ganesh Damodar Savarkar in 1904.

The Komagata Maru incident involved the Japanese steamship Komagata Maru, on which a group of people from British India attempted to emigrate to Canada in 1914, but most were denied entry and forced to return to Calcutta (present-day Kolkata), India. There, the Indian Imperial Police attempted an arrest of the group leaders, a riot ensued and they were fired upon by the police, resulting in the deaths of 20 Sikhs.