The 1904 Entente Cordiale brought an end to centuries of regular wars, and the two countries have been allies ever since, most notably in the two world wars.
What is clear is that the plucky efforts by John Varley, chief executive of Barclays, in talks primarily with the Cabinet Office minister Oliver Letwin, to establish some kind of entente cordiale between bankers and ministers are close to collapse (see my assorted notes on all this from November 14 onwards).