He will be the last person publicly executed in the United Kingdom .
26 May -- Michael Barrett , member of the Fenians , hanged outside the walls of Newgate Prison in London for his part in the Clerkenwell explosion of 1867 .
Michael Barrett will be the last member publicly executed in the United Kingdom .
26 May -- Michael Barrett , member of the Fenians , hanged outside the walls of Newgate Prison in London for his part in the Clerkenwell explosion of 1867 .