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
Roger Thatcher the sheer size of total effort required for the operation. Thatcher was required to delete three queries from the census after personally meeting to discuss the matter with then-Prime Minister of the United Kingdom Margaret Thatcher. In 1981, Thatcher found that over the prior thirty-year-period, the number of individuals alive to reach the age of 100 had increased by a figure of sixfold. At a 1981 meeting in Sussex held by the Medical Journalists Association, Thatcher presented the findings from his research and called the results "spectacular". He reported that in 1971 there were less than 300 people in the