1990 Strangeways Prison riot April, HM Prison Durham, HM Prison Winchester and HM Prison Wandsworth on 4 April, and HM Young Offenders Institute Glen Parva on 6 April. The weekend of 7 April and 8 April saw protests across the prison system. At HM Prison Leeds there was a sit-down protest after the arrival of over 100 prisoners who had been transferred from Strangeways. At HM Prison Dartmoor, between 100 and 120 prisoners wrecked D wing of the prison, and 12 prisoners also protested on the roof of C wing unfurling a banner that read "Strangeways, we are with you". 32 prisoners from Dartmoor
Michigan State Prison rest of the convicts were eventually caught. On September 1, 1912, a riot that is described by many as the worst riot in the prison's history began. The first sign of trouble was when inmates starting throwing plates against the walls of the dining halls. Many fights followed after this and the riot lasted for six days. On the sixth day, the 90 or so inmates that were leading the riot were beaten and the riot eventually came to an end, but not until after the governor had called in the National Guard. Despite additions to the old prison, it