Apr 8 Mangal Pandey, Indian Sepoy (soldier) in the 34th Bengal Native Infantry (B.N.I.) regiment of the British East India Company, hanged at 29 Apr 30 Princess Mary, Duchess of Gloucester and Edinburgh, dies at 81 Mar 1857 Famous Deaths by Year May 1857 Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide