This chapter tells of the storming of the Bastille, the infamous French prison, where on July 14, 1789, a French mob over-ran it, ushering in the French Revolution. The prison held many political prisoners, prisoners that were "against the crown" (the king) and therefore it represented the hated monarchy. Monsieur and Madame DeFarge are part of the mob, in the novel.
How many prisoners were released?
Seven prisoners released, seven gory heads on pikes, the keys of the accursed fortress of the eight strong towers, some discovered letters and other memorials of prisoners of old time, long dead of broken hearts,--such, and such--like, the loudly echoing footsteps of Saint Antoine escort through the Paris streets in mid-July, one thousand seven hundred and eighty-nine.
Seven prisoners were released, but seven people were killed - presumably these were the guards, killed by the mob.
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