Today in history: On Nov. 20, 1910, Francisco Madero led a revolt against Mexican President Porfirio Díaz, marking the beginning of the decade-long Mexican Revolution. Also on this date: In 1945, 22 former Nazi officials went on trial before an international war crimes tribunal in Nuremberg, Germany. (Almost a year later, the International Military Tribune sentenced 12 of the defendants to death; seven received prison sentences ranging from 10 years to life; three were acquitted.) 1947, Britain’