Michael Barrett was hanged outside Newgate Prison on 26 May 1868. He became the last person publicly hanged in England.

Barrett had been convicted after the Clerkenwell explosion of December 1867. The blast was connected to an attempt to free Fenian prisoners from the Clerkenwell House of Detention. It caused civilian deaths and injuries, and it struck a nervous point in Victorian Britain: Irish republican violence, public fear and the authority of the state.

That made Barrett’s case more than an ordinary criminal prosecution. It sat at the centre of both a political and a legal argument. The state was responding to a violent attack. The public wanted justice. Barrett stood at the centre of a case where certainty, punishment and politics were difficult to separate cleanly.

His execution took place outside Newgate, where crowds could gather and watch. That public setting mattered. Hanging was still meant to be visible. The scaffold showed the force of the law in the open street. It turned death into a public act, with the condemned man, the prison, the officials and the crowd all part of the punishment.

By 1868, that system was harder to defend. Public executions had long drawn disorderly crowds. They were meant to warn people against crime, but they also attracted noise, drink, curiosity and spectacle. The state wanted punishment to be seen, yet the scene around the scaffold could make the law itself look coarse.

Barrett’s conviction has remained controversial. Later accounts have questioned whether the evidence against him was safe. A short date entry cannot settle that argument, and it should not pretend to do so. The doubt has persisted in the case, making the execution’s final public nature harder to ignore.

Soon after Barrett’s death, public executions in England came to an end. Hanging did not disappear. It moved inside prison walls. The punishment remained, but the crowd was removed from it.

That gives the date its force. Barrett died as a convicted man after a politically charged explosion. His execution also closed a long English practice in which the state killed in front of the public. The scaffold outside Newgate was used one last time, and then the spectacle was taken out of the street.