Complex sentence: On his release a dinner in London, attended by 600 people, was given in his honour, presided over by Sir Francis Burdett who, like Cobbett, was a strong voice for parliamentary reform.
Split into simpler sentences: On his release a dinner, attended by 600 people, was given in his honour. It was held London, presided over by Sir Francis Burdett who, like Cobbett, was a strong voice for parliamentary reform.