Japan
- Taiga drama (大河ドラマ, Taiga dorama, "Big River Drama") is the name NHK gives to the annual, year-long historical fiction television series it broadcasts in Japan. en.wikipedia
- Jidaigeki period drama en.wikipedia
- Sageuk refers specifically to Korean historical drama
- Goguryeo 37 BC–668 AD
- Goryeo 918–1392
- Joseon 1392–1897
- http://mihansa.net/korean-drama-sageuk/
http://www.dramabeans.com/about/glossary/
https://en.wikipedia.org/wiki/Korean_drama
Taiwan
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not comprehensive, but maybe a start, please add the definitions you know
mods, please feel free to add/edit this anytime