Complex sentence: During the great "Sepoy Mutiny" the anti-British plot hatched by Maniram Dewan and Piyali Barua was sabotaged, and these leaders were hanged in public at this very place in 1858.
Split into simpler sentences: During the great Sepoy Mutiny, the anti-British plot hatched by Maniram Dewan and Piyali Barua, was sabotaged. These leaders were hanged in public at this very place in 1858.