15 September 1940 in Marseille. A man cries as French troops are forced to retreat to North Africa.
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“A Frenchman sheds tears of patriotic grief as flags of his country’s lost regiments are exiled to Africa”, according to the caption in the 3 March 1941 issue of Life magazine. Incorrectly captioned by NARA as “A Frenchman weeps as German soldiers march into the French capital, Paris, on June 14, 1940, after the Allied armies had been driven back across France.”
https://commons.wikimedia.org/wiki/File:Weeping_Parisian_from_NARA_Ww2-81.jpg
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This screenshot is from S15E08, article about it: https://www.independent.co.uk/arts-entertainment/tv/news/the-simpsons-milhouse-toys-r-us-expressions-nazi-divide-and-conquer-french-army-a9519626.html
The scene on youtube: https://www.youtube.com/watch?v=XwOSgUUvU6s