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According to Wikipedia, the French town of Harfleur changed hands between the English and the French repeatedly between 1415 and 1562, including being pillaged by the Huguenots.
It’s not sure which particular incident this Brickshelfer is illustrating with this Castle creation, but things don’t look good for the residents of Harfleur.
More Harfleur battle scenes in Lego | Via The Brothers Brick
Perhapse the seige from Henry V?
“Once more into the breach
or seal the wall with our English dead…”
Paraphrasing from memory