At the Battle of Agincourt in northern France, an outnumbered English army under Henry V defeated elite French cavalry through the tactical deployment of the English longbow. The French knights wore advanced steel plate armor that protected them from direct penetrations across long distances, but the mud of the battlefield slowed their advance. The sheer volume of high-kinetic bodkin arrows targeted their vulnerable visor slits and unarmored joints, eventually breaking their formation.

This historic clash of arms and armor became an iconic centerpiece of English literary patriotism, immortalized in the anonymous 'Agincourt Carol' and later heavily dramatized in William Shakespeare's 'Henry V.' The play's vivid imagery contrasts the heavy, arrogant French armor with the nimble, unarmored English longbowmen.