>>2069938
Also, yeah, most samurai dramas, like Inuyasha, are set suring Sengoku. If there are large armies running around, castles being sieged, and heavy armored samurai roaming about, it's the Warring States.
Japan's technology was isolated afterwards, but the peacetimes meant little need for armor but plenty want for school swords, so there are also plenty of Edo period dramas, particularly involving the opening of the country during the 1850s-60s Bakumatsu