User blog comment:KevlarNinja/Templer Knight vs. Red Devil Samurai/@comment-2016768-20100930223139/@comment-181289-20101001024206

Actully plate armor was relativly common around the times of the Templars. It had exsisted prior to that, used by both Romans and Celts, but fell out of favor and began to rise back to prominonce in the 13th century.