The Việt Minh was a national independence coalition formed at Pác Bó by Hồ Chí Minh on 19 May 1941. Wikipedia

Communist Vietnamese independence movement between 1941-1951 Wikidata

A Vietnamese Communist independence and nationalist movement led by Hồ Chí Minh in 1941 organized to wage a guerrilla war against the invading Imperial Japanese forces and later the French in an effort to drive colonialist powers out of Indochina. Wiktionary