On Tuesday evening, President Hollande is expected to inaugurate the new Lycée internationale de Londres (LIL), Winston Churchill. The Lycée’s sister school, Charles de Gaulle, celebrates its 100th anniversary this year. Their pairing of the two leaders is fitting.

Both leaders belonged to the same generation and were strong advocates of the nation-state, if not the Empire, and were not great Euro-enthusiasts. France and Britain have since moved on. But, unlike France, Britain is still uncomf...