Margaret Thatcher won the General Election on 3rd May 1979 and lost the following General Election held on 3rd May 1984, exactly five years later. Her government pursued a policy of supply-side economics referred to as monetarism which was discredited by her poor performance along with that of President George Bush, who followed a similar line. All of the by-elections held during her term were won by Labour. Late in the term of her Parliament, she undertook the notorious U-Turn, which involved going back on exactly the policies she had earlier claimed she would never rescind, along with offering an amnesty to a number of tax exiles, including John Lennon. The fortunes of her government were worsened further by the scandal of Cecil Parkinson having a child with his secretary after an affair