Prime Minister of the United Kingdom senior order of chivalry, the Order of the Garter. The practice of creating a retired Prime Minister a Knight (or, in the case of Margaret Thatcher, a Lady) of the Garter (KG and LG respectively) has been fairly prevalent since the mid-nineteenth century. Upon the retirement of a Prime Minister who is Scottish, it is likely that the primarily Scottish honour of Knight of the Thistle (KT) will be used instead of the Order of the Garter, which is generally regarded as an English honour. Historically it has also been common for Prime Ministers to be granted a peerage upon
Prime Minister of the United Kingdom because it was an office unknown to the Constitution". Denials of the Premiership's legal existence continued throughout the 19th century. In 1806, for example, one member of the Commons said, "the Constitution abhors the idea of a prime minister". In 1829, Lord Lansdowne said, "nothing could be more mischievous or unconstitutional than to recognise by act of parliament the existence of such an office". By the turn of the 20th century the Premiership had become, by convention, the most important position in the constitutional hierarchy. Yet there were no legal documents describing its powers or acknowledging its existence. The first