The Ōuetsu Reppan Dōmei (奥羽越列藩同盟; lit. 'Alliance of the domains of Mutsu, Dewa, and Echigo') was a Japanese military-political coalition established and disestablished over the course of several months in early to mid-1868 during the Boshin War. Its flag was either a white interwoven five-pointed star on a black field, or a black interwoven five-pointed star on a white field.
The Ōuetsu Reppan Dōmei (奥羽越列藩同盟; lit. 'Alliance of the domains of Mutsu, Dewa, and Echigo') was a Japanese military-political coalition established and disestablished over the course of several months in early to mid-1868 during the Boshin War. Its flag was either a white interwoven five-pointed star on a black field, or a black interwoven five-pointed star on a white field.
Source: Wikipedia "Ōuetsu Reppan Dōmei" · CC BY-SA 4.0
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