The Insane Logistics of a Roman Army on the March - 24 Hour Simulation 3D DOCUMENTARY

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Published 2023-09-22
Documentary simulating a Roman Army on the March! 📲 Install Raid for Free Mobile and PC: pl.go-ga.me/75jyydya and get a special starter pack with an Epic champion Drake 🔥 Use the Promo Code JTSKIN before October 7th to get both the Epic Champion Stag Knight and Gilded Glider Custom Skin!

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In this history documentary we bring to life the insane scale of a Roman Army on the March! We begin with the basic marching rates for individual soldiers to establish a baseline for our analysis. We then calculate the true size of a Roman Army made up of four legions and its auxiliaries. These are then placed four men across and arranged end to end to calculate their maximum length of over 25 kilometers. However this is just part of the story.

We then cover the logistics of actually moving a force of this size from point A to point B. This is done by simulating a 24 hour cycle of a Roman army on the march. The result is a stunning 3D rendering in Unreal Engine 5 of what such a monstrously large force would have looked like. This hopefully gives you a better appreciation for the mechanics of ancient armies and how disasters such as the Battle of Teutoburg Forest could have unfolded.

Sources and Suggested Reading
“The Roman Army” by Peter Connolly
“The Roman Army at War” by Adrian Goldsworthy
“The Roman War Machine” by John Peddie
“The Logistics of the Roman Army at War” by Jonathan Roth
"Models of the Roman Army" by Gary Brueggeman

Credits:
Research = Invicta, Sophia Ware
Script = Invicta
Narration = Guy Michaels
Editing = Penta Limited

Timestamps:
00:00 Intro
02:26 Sources
03:43 Mechanics of a March
06:58 Marching Columns
08:38 Size of an Army
10:28 Length of an Army
11:20 24 Hour Simulation
13:06 600 am Scouts
14:06 630 am Vanguard
15:14 700 am Surveyors
15:53 715 am Command
16:55 725 am Main Body
17:54 920 am Baggage Train
19:23 1110 am Rear Guard
20:27 1130 am Flank Guard
21:17 Crazy Statistics
23:06 Setting Up a New Camp
25:06 Evening Activities
26:37 Outro

#history
#documentary
#unrealengine5

All Comments (21)
  • @InvictaHistory
    What True Size topics should we cover next? 📲 Install Raid for Free Mobile and PC: pl.go-ga.me/75jyydya and get a special starter pack with an Epic champion Drake 🔥 Use the Promo Code JTSKIN before October 7th to get both the Epic Champion Stag Knight and Gilded Glider Custom Ski
  • @Astraben
    It´s insane to me that independent Youtubers have picked up the mantle abandoned by multimillion dollar history channels. Kudos to you all.
  • @davidhughes8357
    Like I am certain that I have mentioned before after studying roman military history for so many years (40 plus) I've been searching for a documentary with this much detail on the composition and deployment of a full roman army. I just can't thank you enough for the tremendous effort. I will rewatch this to the end of my time!
  • @elijahbrown9738
    Beautifully done. I think details like this really help armchair generals realize why "I would have just had my men......" is just silly.
  • @yakamen
    Previously I was a logistics officer 90A in the US Army. The big snake and little snakes of mass movement is replicable in how we plan large convoy operations. Obviously everything is mechanized but movements are organized into convoy, serial, and "chalks" or segments. I moved weapons and Soldiers this way for years.
  • When you see it visualized like this, it becomes far easier to comprehend how Arminius' Germanians were able to completely annihilate Varus' legions on the march.
  • If the Total War Series wanted to make a historical game. They should take notes on topics like these. There is so much interesting, historical content that can be added to a game for making a historical game more immersive. With good design it can be extremely fun as well. Just like Rome Total War was for its time when it released.
  • @aurelcorstan5242
    The logistical capabilities of ancient people is mind-blowing. Persia, Macedon, Rome...the feats these groups pulled off are almost unbelievable.
  • It is crazy how large these armies were and how underrepresented they are in movies.
  • @anthonyreyna8350
    Massive respect for putting the credits of your sources in the video so early. I wish more channels did this! Make this a movement for more YouTube history channels to do this!
  • @joebates93
    It's crazy that content like this exists for us to enjoy for free. What at time to be alive. Thank you for making this
  • @mani_saber
    Just right click where you wanna go bro
  • A Roman "pace" was twice the length you mentioned. Romans measured it from the heel of one foot to the heel of where that same foot falls after a complete step. This is a "double-pace" in modern parlance.
  • @pjviitas
    Being ex-army I find this absolutely riveting....more of this kind of thing please
  • @TractorBeam29
    I walked the Appalachian Trail from Georgia to Maine, 2200 miles. The average person cannot maintain 20 miles/day in that terrain. Maybe on a road that would be possible. As I walked the AT, I often thought about how fast ancient armies could have moved. Portions of the Appalachian Trail are flat or hilly and are not mountains. I'm well above average in physical fitness and I can comfortably do 20 miles/day in rough terrain for about a week before I need to slow down. If I pushed the pace I would be happy with 3 miles per hour on trail. On a road, at a solid walking pace, with a pack, I would do 4-5 miles per hour. I think moving an army through normal terrain without roads you could probably move about 12-15 miles per day. I'm sure they followed valleys and rivers to move the fastest they could, avoiding going over mountains or through rough terrain. I was also a Captain in the US Army and marching a company of 100 men long distances you have to remember that you move as fast as your slowest man. If you had to move 100 miles I would plan for 10 days. This is with modern equipment, modern boots, modern clothing and packs. In ancient times I imagine you'd have serious problems supplying enough footwear. On the AT I went through 5 pairs of modern trail running shoes. The heavier you are the more shoes you go through. It's astonishing what these roman armies had to go through.
  • @phyrr2
    This is literally THE topic I've wanted to see covered on the Roman Legion and I'm happy to see it from Invicta!
  • That would've been incredible to see in person. If they ever did a reenactment of a full scale march, I'd join up in a heartbeat. Probably a pipe dream though, I can't even imagine how difficult it would be to;  a: Get that many dedicated people b: Find a suitable modern trail that would be long enough to sustain that many people
  • @JC839
    In the marines, we do max like 20-25k at a pretty good pace. Even then, we have people that fallout or get injured. It’s hard to maintain the formation. I wonder how the Roman’s carried all that equipment for weeks on end marching like that, maintaining their formation
  • Men would literally find out the true size of a Roman army on a march than get therapy.