Millions of candles were burned at martyrs' cemeteries nationwide on Tuesday.
The "Burning candles of gratitude" event was organized by the Ho Chi Minh Communist Youth Union Central Committee and the Ministry of Labor, Invalids and Social Affairs to celebrate Vietnam's Invalids and Martyrs Day July 27.
More than 800,000 tombs in nearly 2,100 martyrs cemeteries nationwide were lit with tributes from a grateful nation.
As part of the campaign initiated a week ago, Youth Union members visited more than 33,100 families of the martyrs and invalid veterans and cleaned up martyr's cemeteries and monuments.
More than 2,500 youth and students from Ho Chi Minh City and central provinces gathered at the Truong Son national martyrs' cemetery to pay their tributes.
Fifty gifts worth more than VND100 million (US$4,860) were distributed to children of people who worked on the Truong Son Trail, a north-south route that supplied manpower and materials to the National Liberation Front forces in southern Vietnam.
Nguyen Tran Bao Tran, a college student from Hue, said she felt as though she was taking care of her family when cleaning the martyrs' tombs for the past few days.
Vo Van Thuong, member of the Party Central Committee, said he was "very moved" when young people nationwide joined ceremonies expressing gratitude for the nation's martyrs.
The ceremony at Hanoi Martyrs' Cemetery was joined by nearly 1,000 youths and students.
The Youth Union in the northern province of Nghe An presented ten houses, two computers and 60 gifts to poor families of martyrs and invalid veterans.
Young Doctor Clubs at cities and provinces also carried out different charity activities to help the families.