- Champaran Satyagraha was Gandhi's first Satyagraha movement in India, initiated in 1917 against the oppressive indigo plantation system. - Ahmedabad Mill Workers Strike took place in March 1918, where Gandhi used fast-unto-death for the first time in India to support the workers' demand for increased wages. - The Chauri-Chaura Incident occurred on February 4, 1922, where a violent clash led to the death of policemen, prompting Gandhi to suspend the Non-Cooperation Movement. - The Bardoli Satyagraha was a peasant movement led by Sardar Vallabhbhai Patel in 1928 against the arbitrary increase in land revenue.