... trong 2 nam 1975 - 1976, xudng cdn mdt nam, giii phdng midn Nam trong nam 1975, rdi dgn giii phdng mign Nam trudc miia mua nam 1975, cudi cting giii phdng midn Nam trong thing 4 -1975. Ding ... NAM ^o/ thanjg. miuL (X>u£ut 1975 THANG LQI CUA Y CHJ OOC LAP, THONG NHAT VA CHU NGHIA XA HOI PGS, TS DOAN NGOC HAI* Dai thang miia Xuan 1975, giii phdng hoan toan mign Nam, ... Nam, gianh thing lgi hoan toan cupc khing chidn chdng My, ciai nudc vao ngay 30-4 -1975. Chien thing 30-4 -1975 li mdt thing lgi kep ciia cich mang Viet Nam trong thg ky XX. Chign thang dd...