This poem was written in the opening months of WWI, when Belgium's resistance to Germany transformed British public opinion. The German invasion of neutral Belgium on August 4, 1914—violating the 1839 Treaty of London—gave Britain both a legal justification and a moral cause for entering the war. Binyon published this in late 1914, when British propaganda was casting the conflict as a defense of "brave little Belgium" against Prussian militarism.
The poem's structure moves from peaceful prosperity to military sacrifice. Stanzas 2-4 catalog Belgium's cultural achievements—"pictured wall" (Flemish masters), "ship-thronged wharves" (Antwerp's trade), "Peace and her famous arts." This establishes what's at stake: a civilization choosing destruction over dishonor. The turn at "Yet when the challenge rang" (stanza 5) mirrors Belgium's actual choice in August 1914.
Binyon emphasizes asymmetry: "against the odds of doom," "Defy the giant." The Belgian army numbered 117,000; Germany sent 750,000 troops through Belgium. The Battle of Liège (August 5-16, 1914) saw Belgian forces hold German advance for nearly two weeks, disrupting the Schlieffen Plan's tight schedule. This "astonished foes / Reeled from their mounds of slain" refers to unexpectedly fierce resistance at fortified positions, not Belgian victory—the country was occupied by October 1914.
The Father Damien comparison (stanza 6) is crucial. Damien wasn't a warrior but a volunteer who chose certain death for moral principle. This frames Belgium's choice as spiritual rather than strategic—"faith" appears three times in the final stanzas. The poem argues Belgium fought not to win but to preserve "the free soul, / Untaught by force to quail." This resonated in Britain, where the war was sold as ideological, not territorial.