Damascus swords are very strong but still flexible. thus, the tip of sword can be bent to touch the hilt. Damascus swords are very sharp, even it can cut a europe sword very easily.
Based on research conducted by a group of scientists from the University of Dresden, reveal an extraordinary secret-existence of carbon nanotubes. Apparently without realizing it, the maker of this sword uses nano technology while forging a sword. Unfortunately, the technique of making this sword disappeared in the 18th century.
Damascus swords made from Damascus steel. This steel has a superplastic properties (the ability to experience permanent deformation without cracking up to 1000%).
Damascus Sword've used by the Muslim leader Salahuddin al-Ayyubi in the Third Crusade war against the Christian army that led by Richard the Lion Hearth.