Rabindranath Tagore returned his knighthood.

Sir Sankaran Nair resigned after the massacre.

The Rowlatt Act allowed detention without trial.

People gathered to celebrate Baisakhi and protest peacefully.

The Jallianwala Bagh tragedy took place on April 13, 1919, which coincided with the festival of Baisakhi. A large, peaceful crowd had gathered in the garden to protest against the Rowlatt Act and the arrest of leaders like Dr. Satyapal and Dr. Kitchlew when they were fired upon by British troops.

Mohammad Ali Jinnah was a staunch critic of the Rowlatt Act, which he viewed as a violation of fundamental civil liberties. In sheer protest against the 'Black Act,' he resigned from his seat in the Imperial Legislative Council, declaring that a government that passes such laws in peacetime forfeits its claim to be a civilized government.

The Moplah uprising took place in 1921 in the Malabar district of Madras Presidency. What began as a protest against the British and landlords as part of the Khilafat Movement eventually took a communal turn, leading to a violent crackdown by the British military.

The Khilafat Movement was primarily a religious and political protest launched by Muslims in British India to influence the British government and to protect the Ottoman Empire. The goal was to preserve the territorial integrity of Turkey and maintain the status of the Caliph as the guardian of Islam's holy sites.

The students of Aligarh College were at the forefront of the agitation against the 1900 Urdu-Hindi circular. Their protests demonstrated the political awakening of the young Muslim generation under the Aligarh Movement.

The society was formed to protest the 'MacDonald Circular' of 1900. It aimed to preserve the status of Urdu as the sole official language of the province and argued that Hindi was not yet developed enough for administrative use.