From: GALLERY : A PICTORIAL BACKGROUND TO THE LIFE & TIMES OF WILLIAM ROWBOTTOM, circa 1757 - 1830
The Scene of the Cato Street Conspiracy
"In Cato Steet, London, shown in this picture, was conceived a plot to assassinate Castlereagh and other Ministers at a Cabinet dinner in 1820. The plot being discovered, the revolutionaries were captured, five of them being hanged and five transported for life."
From: 'Harmsworth History of the World' Pub.1909