Like many myths, this rather agreeable account of Europe in the second half of the twentieth century contains a kernel of truth. But it leaves out a lot. Eastern Europe—from the Austrian border to the Ural Mountains, from Tallinn to Tirana—doesn’t fit. Its post-war decades were certainly peaceful when contrasted with what went before, but only thanks to the uninvited presence of the Red Army: it was the peace of the prison-yard, enforced by the tank.