The Amritsar massacre took place on the 13th of April, 1919 when troops of the British army fired into a crowed of Indians that were having a peaceful protest. The army was under the command of Colonel Reginald Dyer. Dyer was kicked from the British army.
The salt march was an act of nonviolent civil disobedience in colonial India led by Gandhi to produce salt from the seawater in the coastal village of Dandi as was the practice of the local populace until British officials introduced taxation on salt production.
Gandhi was assassinated on 30 January 1948 in the compound of Birla House a large mansion. His assassin was Nathuram Vinayak Godse advocate of Indian nationalism, a member of the political party the Hindu Mahasabha.