Known as corsairs, perhaps the most infamous Barbary Coast pirate was Barbarossa, who united Algeria and Tunisia as military states under the Ottoman sultanate and maintained his revenues by piracy.

• 希腊、罗马在其帝国扩张思想大行其道期间，在跨越重洋入侵他国领土的航线上，也不得不面对海盗的肆虐。