Ph\u1ea7n Ba – Ch\u01b0\u01a1ng I – B\u00e0i 20: Chi\u1ebfn s\u1ef1 lan r\u1ed9ng ra c\u1ea3 n\u01b0\u1edbc. Cu\u1ed9c kh\u00e1ng chi\u1ebfn c\u1ee7a nh\u00e2n d\u00e2n ta t\u1eeb n\u0103m 1873 \u0111\u1ebfn n\u0103m 1884. Nh\u00e0 Nguy\u1ec5n \u0111\u1ea7u h\u00e0ng<\/a><\/blockquote>