Honouring the Innovation of Medieval Armour

Chain Mail Day is celebrated annually on September 22nd to recognise the ingenuity and lasting legacy of chainmail, a critical evolution in protective armour developed during the Middle Ages. While it may be most familiar through fantasy novels and medieval films, chainmail has real-world historical significance and is still in use today in specialised industries.

Key Facts About Chain Mail Day

Why It Matters / How It’s Celebrated

• Chainmail was a military innovation that offered flexibility and blade resistance, revolutionising medieval combat.
• Romans, Celts, and medieval knights used chainmail for centuries as part of standard armour.
• Modern uses include protective suits for divers, butchers, animal handlers, and high-voltage electricians.
• Educational events often include chainmail workshops, museum demonstrations, or historical reenactments.
• Fantasy fans and cosplayers may honour the day by wearing or crafting chainmail accessories.

How to Get Involved

• Try making your own chainmail using wire, pliers, and patience. DIY tutorials and kits are widely available.
• Visit a medieval museum or armoury to learn more about historical armour types and their evolution.
• Watch documentaries or fantasy films that showcase chainmail armour—such as “The Lord of the Rings” or “Kingdom of Heaven.”
• Join a historical reenactment group or attend a Renaissance fair to see chainmail in action.
• Share your appreciation for medieval technology on social media using relevant hashtags (see below).

Frequently Asked Questions

What is Chain Mail Day?

Chain Mail Day is observed on 22 September to recognise the historical and modern relevance of chainmail armour. It celebrates its use in medieval times and its continuing utility in modern safety gear.

What is chainmail made of?

Traditional chainmail is made of interlinked metal rings, often worn over a padded underlayer for protection and comfort.

Is chainmail still used today?

Yes, it is used in modern industries such as diving (to protect against shark bites), animal control, and electrical safety suits.

Can I make my own chainmail?

Yes! DIY chainmail projects are popular among crafters, cosplayers, and historical enthusiasts. Kits and tutorials are widely available online.

What’s the difference between chainmail and plate armour?

Chainmail consists of flexible rings offering mobility and blade resistance, while plate armour is rigid and provides better protection against blunt force and projectiles.

Future Dates for Chain Mail Day

Hashtags for Chain Mail Day

• #ChainMailDay
• #MedievalArmour
• #HistoricalReenactment
• #ChainmailCraft
• #FantasyFansUnite