The Despard Plot was a failed 1802 conspiracy by British revolutionaries led by Colonel Edward Marcus Despard, a former army officer and colonial official. Evidence presented in court suggested that Despard planned to assassinate the monarch George III and seize key strong points in London such as the Bank of England and Tower of London as a prelude to a wider uprising by the population of the city. The British Government was aware of the plot five months before the scheduled date of attack, however waited to arrest to gain enough evidence. One week before the scheduled attack, Despard and his co-conspirators were arrested at a pub in Lambeth on suspicion of plotting an uprising. Despard's execution on 21 February 1803 was attended by a crowd of around 20,000, the largest public gathering until the funeral of Lord Nelson two years later following the Battle of Trafalgar.
Despard had been arrested for the police (Bow Street Runners) on 16 November 1802 while attending a meeting of 40 working men at the Oakley Arms tavern: eight carpenters, five labourers, two shoemakers, two hatters, a stonemason, a clockmaker, a plasterer (formerly a sailor), and a wood cutter had been among the arrested. Many had been soldiers, including Despard, and several were Irishmen who had served on the King's ships. Furthermore, several of those arrested had been Irish labourers "united in Ireland", a contemporary code-phrase which implied that the mass killings and terror inflicted by the British following the Irish Rebellion of 1798 had not extinguished the Irish enthusiasm for independence. The tavern was immediately down the road from the Albion Mills, the first London steam powered mill which had been burned in 1791, part of the direct, anonymous resistance to the industrial revolution; the neighbourhood was a hotbed of continued resistance to exploitation both parliamentary and economic, an area where the government was referred to as "Man Eaters, and Parliament the "Den of Thieves.
Although the plot was highly publicised, details of the trial have never been released. In 1794 the British government failed to prove that the London Corresponding Society (of which Despard was a member) was treasonous. Because of this, many of the details focused on the attempted assassination of Despard's plot, as this is what prosecutors focused on. Informers claimed that John Wood offered to post himself sentry with a cannon to fire at the King's carriage as it was going to what was then called Buckingham House. It is unlikely that Despard favoured this plan, as it was viewed as very dangerous and still hoped that men in high places, such as the politician Francis Burdett, would agree to non-regicidal changes in government. Though that may be true, evidence produced at the trial suggests that Despard did indeed consider regicide.
Sir Edward O'Brien Pryce approached authorities the day of Despard's arrest to offer evidence against Despard. Pryce claimed that through notes, Despard had offered him unlimited sums of money in exchange for advice on making underground bombs. Despard, it was alleged, had sent him a diagram of boxes with spring locks containing three powder barrels surrounded by balls and metal spikes. These were to be buried under the road and detonated by connecting wire. Bombs were to be placed in three locations: the road to Windsor Castle, between Buckingham House and Hyde Park gate, and an exit of Buckingham House, opposite the gate into the lower part of Green Park.
Although seemingly concluded, Pryce's evidence was not used in court; this was because the authorities wondered why he had failed to make contact with them in February when this happened. While the trial (and thus information about the plot) was mostly focused on the attempted assassination of the King, Despard and his co-conspirators also contemplated the seizure of the Bank of England and a military rising of the Third Grenadiers stationed at the Tower of London. They hoped that these attacks would set off uprisings all over the country.
There was little physical evidence produced during this trial. The only pieces were printed copies of the United Englishmen's constitution which called for independence for Britain and Ireland, equal rights, and compensation for those who fall to achieve these ideals. Although the United Englishmen's constitution was revolutionary, there was little evidence of planned regicide. The 1797 Act Against Administering Unlawful Oaths made these constitutions stronger evidence for rebellion, but not necessarily for regicide. Like the similar case of James Hadfield, another possible attempted assassin of King George III, Colonel Despard's sanity was questioned during the trial. Many of Despard's contemporaries, including Cobbett and Lord Cloncurry (who had earlier been suspected of complicity), distanced themselves from Despard's failure. The jury concluded that Despard's words had been freely given in public spaces and thus was judged as sane. Although judged sane, public society deemed Despard and his plan mad. Cobbett commented on this distinction, "If you abhor treason, you are told Despard was a madman; if you are discontented with public affairs, you are told he was a hero."
Due to the 1795 Treason Act, there was little legal distinction between plotting treason and committing treason. The jury was impressed by the Colonel's character references such as that given by Evan Neppean and Horatio Nelson, who had been his companion in Honduras; the jury was also unsure about the lack of solid evidence, and consequently Despard and his colleagues were found guilty of high treason but the jury recommended mercy.
The proposed execution raised considerable anxiety, given that it was to be in an area congested by working men (exactly the kind of man to whom Despard had appealed) and the chief magistrate, Sir Richard Ford, expressed his concern over the size of the crowds that assembled during the day and evenings near the jail. He had trouble hiring workmen to build the scaffold; the jailer feared to leave the safety of the prison; and he deployed over 100 armed soldiers throughout the neighbourhood on the night before the execution. Handbills calling on the people to rise had been distributed and the authorities feared the possibility of a riot, if not an outright attempt to free the prisoners. The prisoners remained recalcitrant, especially Despard, refusing to discuss their plans or to reveal the identities of any others who might have been involved in the plot.
A further problem for the authorities was Despard's wife, who caused considerable dismay. A woman of African descent, she had accompanied her husband from Central America to London in 1790. Active in prisoners' rights, she formed a link between her husband and the other revolutionaries with their colleagues and families outside the prison. She had worked for improvement of prison conditions, including the necessities of life: warmth, fresh air, food, space, writing materials, and access to friends and families. She was, essentially, a courier between the condemned and the outside world, and furthermore an intrepid correspondent. The prison wardens feared she was smuggling goods in and out of the prison, but feared to search her. It was she who had approached Lord Nelson to speak at the trial, and he made further applications to the government on behalf of Despard and his compatriots.
Those executed were Despard, John Francis, John Wood, James Sedgewick, Thomas Broughton, Arthur Graham, and John Macnamara. They were executed in Old Horsemonger Lane Gaol in Southwark on Monday 21 February 1803.
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