President Nguyen Xuan Phuc leads a delegation to offer incense in memory of heroes and martyrs at the special national relic site of Quang Tri citadel. Photo: VOV

During the anti-US war of resistance, thousands of Vietnamese soldiers died in the battle to defend Quang Tri ancient citadel.

President Phuc also symbolically performed  the issuance of a collection of stamp to mark 50 years of defending Quang Tri citadel.

Earlier the same day, the President paid tribute to the late Party General Secretary Le Duan at his memorial site in Trieu Phong district. He also inaugurated the Trieu Thanh school in Trieu Phong. President Phuc attended an event to start construction of a 55km-long coastal road connecting the East-West Economic Corridor.