nov 11, 1678 - England's House of Commons votes to begin impeachment proceedings against five Roman Catholic members of the House of Lords, Viscount Stafford, the Marquess of Powis, Baron Arundell, Baron Petre and Baron Belasyse accused by Protestant members as participating in a "Popish Plot". Viscount Stafford is convicted and executed, while the other four are imprisoned in the Tower of London for more than five years