Ph\u1ea7n Ba – Ch\u01b0\u01a1ng II – B\u00e0i 24: Vi\u1ec7t Nam trong nh\u1eefng n\u0103m chi\u1ebfn tranh th\u1ebf gi\u1edbi th\u1ee9 nh\u1ea5t (1914-1918)<\/a><\/blockquote><\/iframe>