The first was in the United Kingdom, where the reduction of the empire by about one-third, including the demolition of the new dominions in North America, proved to be as divisive as any misfortune to befall the nation in the eighteenth century, at a cost of £128 million and thousands of British lives. The broader conflict that began in 1778, with the intervention of European powers on America’s behalf, led to the only British defeat in the seven Anglo-French wars fought between 1689 and 1815.