Editing Testudo formation (section)

{{Short description|Defensive shield wall used by Roman Legions}}
{{Use dmy dates|date=July 2022}}
[[File:Colonne trajane 1-57 (cropped).jpg|thumb|300px|Roman soldiers in "tortoise" formation]]
{{RomanMilitary}}

In ancient Roman warfare, the '''''testudo''''' or '''tortoise formation''' was a type of [[shield wall]] formation commonly used by the [[Roman legion]]s during battles, particularly when they were the attacking force during [[siege|sieges]].<ref name=":0">{{cite web |url=https://spartacus-educational.com/ROMmilitary.htm |title=Military Tactics of the Roman Army |last= Simkin |first=John |date=September 1997 |website=Spartacus Educational |publisher=Spartacus Educational Publishers Ltd. |access-date=June 4, 2021 |quote="A modern reconstruction of Roman soldiers in the ''testudo'' (tortoise) formation."}}</ref>