For weeks now, anglophone cinephiles have been focusing their attention on the virtues and vices of Christopher Nolan’s $250m adaptation of The Odyssey. Across the Channel, however, Homer’s epic tale of a flawed Greek hero has been facing stiff domestic competition. A two-part biopic of General Charles de Gaulle, concentrating on his struggles to liberate France during the second world war, has been the word-of-mouth box office hit of the French summer.

It may be that five hours’ worth of De Gaulle attracted some punters seeking air-conditioned sanctuary from the heatwaves. But there have been rave reviews both from critics and audiences, and a notable upsurge of interest among the young. The success of the films has already had a cultural knock-on effect, boosting the number of visitors, for example, to the Museum of the Liberation of........

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