The Political Martyrs Monument in the Old Calton Burial Ground on Calton Hill, commemorates five political reformists from the late 18th and early 19th centuries. The monument is a 90 ft (27 m) tall obelisk on a square-plan base plinth all constructed in ashlar sandstone blocks. The monument is inscribed on one side with— To the memory of Thomas Muir, Thomas Fyshe Palmer, William Skirving, Maurice Margarot and Joseph Gerrald Erected by the Friends of Parliamentary Reform, In England and Scotland.1844 On another are two inscriptions from men commemorated on the monument— I have devoted myself to the cause of The People. It is a good cause—it shall ultimately prevail—it shall finally triumph. Speech of Thomas Muir in the Court of Judiciary on the 30th August 1793. I know that what has been done these two days will be Re-Judged. Speech of William Skirving in the Court of Judiciary on the 7th January, 1794.