Bombardment of Strasbourg in the night of August 24, 1870, during the Franco-Prussian War.
The caption reads in the original French:
Bombardement de Strasbourg. — La cathédrale et ses abords, dans la nuit du 24 août.
Histoire de la révolution de 1870-71 was first published as a series of fascicles by L’Éclipse, a weekly newspaper owned by François Polo. Polo published the text in book format some time later at Librairie Polo, which he also founded.