Ph\u1ea7n Hai – Ch\u01b0\u01a1ng I – B\u00e0i 9: C\u00e1ch m\u1ea1ng th\u00e1ng M\u01b0\u1eddi Nga n\u0103m 1917 v\u00e0 cu\u1ed9c \u0111\u1ea5u tranh b\u1ea3o v\u1ec7 c\u00e1ch m\u1ea1ng (1917-1921)<\/a><\/blockquote><\/iframe>