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The Clever Reason Medieval Castle Staircases Are Always Clockwise

You probably never noticed—but this is fascinating!

If you’ve ever explored a real medieval castle—or even taken a peek inside one via a photo or movie—you have may have noticed that many have similar features. From large bridges and imposing stone walls and towers to vaulted ceilings, medieval castles are works of art—but they’re also impressive feats of engineering.

There’s one consistent feature most have that you may not have noticed, and it’s one of the most interesting. All of the staircases were designed clockwise, and for a very specific reason—safety.

It turns out the direction of the staircases was meant to make it harder for an attacker coming up the stairs to draw their sword. If their sword hand (usually their right hand) was along the interior curve of the wall, it would be much harder for them to swing their sword quickly to attack.

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Anyone coming down the stairs would then have an advantage, as their sword hand would be on the outside of the wall, giving them more room to swing.

By ascending clockwise, the attacker would also be exposing more of their body in order to get their sword. That would make it easier for a defender to get to the attacker.

Of course not all attackers were right-handed, but it’s quite an impressive design that surely helped ward off some attacks.

spiral
Carlo Raso/Flickr

In addition to the clockwise direction, the structure of each individual stair of the castle also played a defensive role; staircases were designed with uneven steps—some were taller, while others were shorter.

This had the effect of allowing anyone who was familiar with the castle to move quickly on the stairs in the event of an attack. For attackers however, poorly lit stairwells with uneven stairs could create quite the hazard, making them more likely to stumble or lose their balance.

For more fascinating facts about medieval castles, check out this video:

[h/t: Nerdist]