This was written by John Keats in 1814 or 1815. Algernon Sydney, Sir William Russell, and Sir Henry Vane, leaders of the whig party, were believed to have been involved in the Rye House Plot to execute Charles II and his brother James in 1683. The plot was found out, and they were executed for treason on somewhat flimsy evidence.

Lines Written on 29 May, the Anniversary of Charles's Restoration, on Hearing the Bells Ringing

Infatuate Britons, will you still proclaim
His memory, your direst, foulest shame?
Nor patriots revere?
Ah! when I hear each traitorous lying bell,
'Tis gallant Sydney's, Russell's, Vane's sad knell,
That pains my wounded ear.