C O M P A R AT I V E S T U D Y
State Trials of High Treason
In the last decades of the XVII century, public interest in the so-called
“treason trials” (criminal trials involving State interests) piqued. Reports
of these trials were often printed in pamphlets and discussed by the
general public.170 A series of major trials occurred before the outbreak of
the Revolution of 1688171 that contributed to the perception of innocent
people being convicted in political prosecutions.172 Treason trials raised
many questions as to witness credibility and the standards for conviction.173
The treason trials were related to political instability in England in the
1670s and 1680s when the monarchy had recently been restored after
the Interregnum (1649 – 1660). The Interregnum was a republican “gap”
period between the execution of King Charles I and the restoration of King
Charles II when the government was controlled by the Commonwealth
and the Protectorate of Oliver Cromwell.174 The Anglican Church was
concerned that King Charles II would be succeeded by his Roman Catholic
brother James, the Duke of York.175
This political situation led to religious prosecutions, a prime example
of which was the Popish Plot of 1678.176 There were numerous cases
connected with the Popish Plot. The Trial of William Viscount Stafford
for High Treason provides a general overview of the proof upon which the
crime of conspiracy was established.177
In November 1680, the House of Commons presented the House of Lords
with an Impeachment (indictment) for High Treason. As a Peer, Stafford
invoked his privilege to be tried by the House of Lords (Peers).178 The trial
Shapiro, p. 19. See also Langbein, Adversary Criminal Trial, p. 69-73.
The Revolution of 1688 involved the overthrow of King James II of England by a union of English
Parliamentarians acting together with Dutch stadtholder (head of state) William III of OrangeNassau (William of Orange). See Langbein, Adversary Criminal Trial, p. 69.
172
Langbein, Adversary Criminal Trial, p. 69.
173
Shapiro, p. 19-20.
174
Langbein, Adversary Criminal Trial, p. 69.
175
Langbein, Adversary Criminal Trial, p. 69.
176
The Popish Plot was an alleged conspiracy concocted by Titus Oates that there was an extensive
Catholic conspiracy to assassinate King Charles II. Oates’ accusations led to the execution of at
least 22 men. Eventually, Oates’ web of accusations fell apart, leading to his arrest and conviction
for perjury. Other major prosecutions were related to the Rye House Plot (1683) and Monmouth’s
Rebellion (1685). The Rye House Plot alleged the opposition Whig conspired to assassinate or
mount an insurrection against King Charles II of England because of his pro-Roman Catholic
policies. The Duke of Monmouth’s armed rebellion was an attempt to overthrow James II, who
had become King upon the death of his elder brother King Charles II on 6 February 1685. See
Langbein, Adversary Criminal Trial, at 69-77. See also John Pollock, The Popish Plot: A Study in the
History in the Reign of Charles II 3 (Duckworth and Co. 1903), available at https://archive.org/stream/
popishplotstudyi00poll#page/n13/mode/2up (last accessed 14 April 2016).
177
John Bill, Thomas Newcomb, & Henry Hills, The Trial of William Viscount Stafford for High
Treason (Jos. Ray 1680) (hereinafter “Bill”), available online at http://quod.lib.umich.edu/e/eebo/A632
08.0001.001?rgn=main;view=fulltext (last accessed 14 April 2016).
178
The British Parliament is formed by the House of Commons and House of Lords. The members of
the House of Commons are voted by the public, while the members of the House of Lords inherit
their status. For more on the history of the Parliament see The History of Parliament, available at
http://www.parliament.uk/education/about-your-parliament/history-of-parliament/ (last accessed
14 April 2016).
170
171
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