List of Former countries in East Asia in plain text you can copy and paste:
- Ara Gaya
- Baekje
- Baekje Government
- Balhae
- Bihwa Gaya
- Kingdom of Bumthang
- Buyeo
- Chinese Soviet Republic
- Dai
- East Hebei Autonomous Government
- Eastern Buyeo
- Eastern Okraina
- Far Eastern Republic
- Dutch Formosa
- Daegaya
- Gaya confederacy
- Geumgwan Gaya
- Goryeong Gaya
- Goguryeo
- Green Ukraine
- Gyeru
- Jolbon
- Kingdom of Tungning
- Later Sabeol
- Little Goguryeo
- Manchukuo
- Mengjiang
- Nakrang Kingdom
- North Shanxi Autonomous Government
- Provisional Priamurye Government
- Pugu
- Qin dynasty
- Republic of Ezo
- Republic of Formosa
- Ryukyu Kingdom
- Samhan
- Siljik
- Silla
- Later Silla
- Taebong
- Takri Kingdom
- Tamna
- Tibet
- Timeline of the Yuan dynasty
- Usan
- Yuan dynasty
- Zemstvo of Maritime Territory
- Genmou