Richard de Montbaston and collaborators
The Beheading of St. Longinus

14th century
Manuscript illumination
Bibliothèque National, Paris

According to the Golden Legend, St. Longinus was beheaded occurred in Caesarea in Cappadocia for preaching against the pagan idols. The beheading is not commonly pictured.

Read more about images of St. Longinus.

Source: this page at Wikimedia Commons.