Bakumatsu Meiji Period
"Bakumatsu" (幕末, "Late Tokugawa Shogunate") occurred between 1853 and 1867 during which Japan ended its isolationist foreign policy and modernized from a feudal shogunate to the Meiji government. Bakumatsu represents the final years of the Edo period (when the Tokugawa shogunate ended) and preceded the Meiji era. The primary historical significance of Bakumatsu was the conflict between the pro-imperialist "Ishin Shishi" ("nationalist patriots"), and the shogunate forces, including the elite Shinsengumi ("New Selected Corps"). The Meiji Era (including Meiji Restoration) denotes the 45-year reign of Emperor Meiji, running from 23 October 1868 to 30 July 1912. During this time, Japan started its modernization and rose to world power status. Be aware that this category should only be assigned to anime that take place in Japan during the years mentioned above, and not to every anime that has samurai in it.
Anime
29
Gintama

Rurouni Kenshin: Meiji Kenkaku Romantan

Rurouni Kenshin: Meiji Kenkaku Romantan - Tsuioku-hen

Hakuouki

Donten ni Warau

Rurouni Kenshin: Meiji Kenkaku Romantan - Seisou-hen

Otome Youkai Zakuro

Hakuouki Hekketsuroku

Rurouni Kenshin: Meiji Kenkaku Romantan - Ishinshishi e no Chinkonka

Peace Maker Kurogane

Hakuouki Reimeiroku

Amatsuki

Kyougoku Natsuhiko: Kousetsu Hyaku Monogatari

Bakumatsu Kikansetsu Irohanihoheto

Tactics

Hakuouki Movie 1: Kyoto Ranbu

Rurouni Kenshin: Meiji Kenkaku Romantan - Shin Kyoto-hen

Hakuouki Sekkaroku

Rurouni Kenshin: Meiji Kenkaku Romantan (2023)

Bakumatsu Gijinden Roman
Manga
2
Rurouni Kenshin: Meiji Kenkaku Romantan

