Margaret Thatcher tendency to override collegiate opinion, contributed to discontent within her party. Thatcher removed Geoffrey Howe as Foreign Secretary in July 1989 after he and Lawson had forced her to agree to a plan for Britain to join the European Exchange Rate Mechanism (ERM). Britain joined the ERM in October 1990. On 1 November 1990, Howe, by then the last remaining member of Thatcher's original 1979 cabinet, resigned from his position as Deputy Prime Minister, ostensibly over her open hostility to moves towards European Monetary Union. In his resignation speech on 13 November, Howe commented on Thatcher's openly dismissive attitude to
Mark Thatcher Mark Thatcher Sir Mark Thatcher, 2nd Baronet (born 15 August 1953) is a British businessman. He is the son of Margaret Thatcher, former Prime Minister of the United Kingdom, and Sir Denis Thatcher, 1st Baronet, and is the twin brother of Carol Thatcher. He has two children by his first wife, Diane Burgdorf. He married his second wife, Sarah Jane Russell, daughter of Terry Clemence, a wealthy property developer, and sister of Viscountess Rothermere, in 2008. On the death of his father in 2003 he became Sir Mark Thatcher when he succeeded to the Thatcher baronetcy, a hereditary title which