---
title: "This is why old armies used to fight in lines"
date: "2019-09-12"
modified: "2020-10-22"
authors:
  - name: "Shannon Corbeil"
    job_title: "Contributor, Air Force Veteran"
    link: "https://www.wearethemighty.com/authors/scorbeil/"
url: "https://www.wearethemighty.com/mighty-history/line-formations-military-tactics-history/"
categories:
  - "History"
---

# This is why old armies used to fight in lines

![](<https://www.wearethemighty.com/wp-content/uploads/legacy/assets.rbl.ms/18224469/origin.jpg>)

I just discovered [The Armchair Historian](<https://www.youtube.com/channel/UCeUJFQ0D9qs6aVNyUt9fkeQ/videos>), a rather endearing YouTuber who created an animated history lesson about why armies used to stand in lines and kill each other. It seems counterintuitive now that we have weapons designed to kill large quantities of people and [traditional wars between nations have given way to asymmetrical conflicts](<https://www.wearethemighty.com/mighty-history/is-war-over-paradox-explained/>).

According to our friendly historian here, there were three main reasons armies used this battlefield formation up until the 20th century:

---

https://www.youtube.com/watch?v=83_h4N_lwJc

[www.youtube.com](<https://www.youtube.com/watch?v=83_h4N_lwJc>)

Griffin Johnsen (The Armchair Historian himself) narrates the video and summarizes the effectiveness of line formations succinctly. They were influenced by cavalry, order and communication, and the tactics of the enemy. As warfare technology advanced, so, too, did battlefield tactics. One example Johnson gives is how horses influenced warfighting.

Cavalry was effective against infantry, so the line formation was adopted to defend against cavalry. Once munitions became more accurate and lethal, cavalry became less effective... and the evolution continued.

Line formation warfare was developed during antiquity and used most notably in the Middle Ages, the Napoleonic Wars, and the Battle of the Bastards Battle of Cannae. It was seen as late as the First World War before giving way to trench warfare and specialized units with increased firepower and weaponry.

"Despite the prolific casualties suffered by units in close order formations during the start of the First World War, it should still be understood how effective line formations were in their heyday," narrates Johnsen.

https://www.youtube.com/watch?v=ToOIvD5mlow

[www.youtube.com](<https://www.youtube.com/watch?v=ToOIvD5mlow>)

But seriously, can we talk about the Battle of the Bastards? [Geek Sundry](<https://geekandsundry.com/a-military-officer-reveals-the-history-behind-game-of-thrones-battle-tactics/>) broke down the tactics displayed (omitting the tactics *not* displayed — SERPENTINE, RICKON, *SERPENTINE!!!*) in what is arguably one of the most riveting *Game of Thrones* episodes created.

The Boltons' tactic of using Romanesque scutums to surround the Stark forces was unnerving and would have delivered a crushing victory without the intervention of the Knights of the Vale.

The probable Bolton trap of allowing the appearance of an escape path (in this case...a mountain of bodies — talk about PSYOPS) effectively tempted their enemy to break formation.

Even commanding archers to volley their arrows into the fray of the battle was a gangster move; it killed Bolton's own men, but for a man who believes in the ends justifying the means... it was a very lethal means to an end.

\[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2Fl0Iybm2KuKnsulVaU.gif&ho=https%3A%2F%2Fi.giphy.com&s=167&h=07c916ce832a15f14d8e286973d31f448e8e5405f30743322b3f60fb35b2b1b7&size=980x&c=3336561657 crop\_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252Fl0Iybm2KuKnsulVaU.gif%26ho%3Dhttps%253A%252F%252Fi.giphy.com%26s%3D167%26h%3D07c916ce832a15f14d8e286973d31f448e8e5405f30743322b3f60fb35b2b1b7%26size%3D980x%26c%3D3336561657%22%7D" expand=1\]

Anyway, I got distracted there for a second. Check out Johnson's video above to learn more about why armies fought in lines. Shout-out to his segue into sponsor promotion at 6:38. Enjoy.

## Author
Shannon Corbeil has worked for We Are The Mighty as a digital video producer, writer, and host, as well as a staff writer covering military history, trivia, and valor. Shannon is a fierce veteran advocate, covering the achievements of members of the military community and volunteering in multiple veteran non-profit organizations, including Pin-Ups for Vets and Warriors for Peace Theatre. Her undergraduate degree is in Humanities and Philosophy and her Masters is in Strategic Intelligence. A screenwriter and actor recently seen on SEAL TEAM and THE ROOKIE, Shannon writes about exciting projects in the entertainment industry. She is an alum of the Writers Guild Foundation Veterans Writing Project, a Finalist in the Disney TV Writing Fellowship, an inaugural fellow for the STARZ/VME #TakeTheLead Program, and has performed at the Geffen Playhouse and Kennedy Center as a writer, dancer, singer, and actor. As a U.S. Air Force Intelligence Officer, Shannon supported the 25th Fighter Squadron at Osan Air Base, South Korea, and conducted Cyber Threat Analysis at the National Security Agency. Her work has been seen in Business Insider, Task & Purpose, Military.com, and various other publications.

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