the UK does not celebrate one particular national holiday
Constitution:
unwritten; partly statutes, partly common law and practice
Legal system:
based on common law tradition with early Roman and modern continental influences; has nonbinding judicial review of Acts of Parliament under the Human Rights Act of 1998; accepts compulsory ICJ jurisdiction with reservations
Suffrage:
18 years of age; universal
Executive branch:
chief of state: Queen ELIZABETH II (since 6 February 1952); Heir Apparent Prince CHARLES (son of the queen, born 14 November 1948)
head of government: Prime Minister James Gordon BROWN (since 27 June 2007)