Civil Disobedience Movement By manocha.vaibhav19 Jul 24, 1927 Simon commission set up. Period: Aug 24, 1927 to Oct 25, 1928 Revolt against Simon Commission starts Dec 24, 1927 Congress Session@ Madras. Boycotts Simon Commssion Dec 24, 1928 Lord Birkenhead asks nationalist leaders to frame constitution accepted by all parties. This was basically to suppress the revolt against the Simon Commission Dec 24, 1928 Lord Birkenhead approves to call a Round Table Conference once the Simon report is out