Editing Classification of swords (section)

===={{lang|zh-Latn|Jian}}====
{{lang|it|[[Jian]]}} ({{zh|t=劍|s=剑|p=jiàn}}; [[Cantonese]]: {{lang|yue-Latn|gim}}) is a double-edged straight [[sword]] used during the last 2,500 years in [[China]]. The first Chinese sources that mention the {{lang|zh-Latn|jian}} date to the 7th century BC during the [[Spring and Autumn period]];<ref>Ebrey 1999, p. 41</ref> one of the earliest specimens being the [[Sword of Goujian]]. Historical one-handed versions have blades varying from {{convert|45|to|80|cm|in|abbr=on}} in length. The weight of an average sword of {{convert|70|cm|abbr=on}} blade-length would weigh about {{convert|700|to|900|g|lb|abbr=on}}.<ref>Rodell 2003, p. 19</ref> There are also larger two-handed versions used by ancient and medieval armies and for training by many styles of [[Chinese martial arts]]. Two handed jians from the time of the [[Chu (state)|Chu]] and [[Han dynasty]] were up to {{convert|58|in|cm|abbr=on}} long.