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
Thatcher baronets Macmillan in 1984. The baronetcy was created by the Queen on the recommendation of Prime Minister John Major for Denis Thatcher, following the resignation of his wife Margaret Thatcher in November 1990. The Speaker of the House of Commons was pressed to allow a debate relating to the revival of hereditary titles, but referred MPs to "" and in particular to the guidance that "It has been ruled that the Prime Minister cannot be interrogated as to the advice that he may have given to the sovereign with regard to the grant of honours". Major told the Commons Public Administration