- The Simon Commission was formed to review the Montagu-Chelmsford Reforms (Government of India Act 1919). Its exclusion of Indians led to widespread protests. - The Nehru Report was a response by Indian leaders to the challenge posed by Lord Birkenhead, proposing a constitutional framework for India. - The Sharda Act raised the minimum age of marriage for girls and boys. - The Dandi March was a key event in the Civil Disobedience Movement, led by Mahatma Gandhi, against the British salt monopoly.