He participated in the following historically significant battles : Lạng Sơn ( 1950 ) , Hòa Bình ( 1951 -- 52 ) , Điện Biên Phủ ( 1954 ) , the Tết Offensive ( 1968 ) , the Easter Offensive ( 1972 ) , and the final Ho Chi Minh Campaign ( 1975 ) .
He fought in the following historically significant battles : Lạng Sơn ( 1950 ) , Hòa Bình ( 1951 -- 52 ) , Điện Biên Phủ ( 1954 ) , the Tết Offensive ( 1968 ) , the Easter Offensive ( 1972 ) , and the final Ho Chi Minh Campaign ( 1975 ) .