From right: US President Bill Clinton, Chairman of Joint Chiefs John Shalikashvili, Secretary of Defense Leslie Aspin, Jr at a press conference on dropping 19-year ban on US trade with Vietnam, February 3,1994 (Photo: AFP/VNA)

Former Foreign Minister of Vietnam Nguyen Co Thach delivers a speech at a gala on the occasion of the US’ lifting of the 19-year trade embargo against Vietnam at Thang Loi Hotel in Hanoi, February, 4 ,1994 (Photo: VNA)

BBC channel broadcasts a special programme on US President Bill Clinton’s announcement of the normalisation of diplomatic relations with Vietnam, July 11, 1995 (Photo: VNA)

Prime Minister Vo Van Kiet proclaims the normalisation of diplomatic relations between Vietnam and the US, July 12,1995 (Photo: VNA)

US Secretary of State Warren Christopher and Foreign Minister Nguyen Manh Cam sign the Protocol, formally establishing the Vietnam – US diplomatic relations, August 5,1995 (Photo: VNA)

The opening ceremony of the US Embassy at No 7 Lang Ha Str. in Hanoi in the presence of US Secretary of State Warren Christopher, August 6,1995 (Photo: VNA)

The signing ceremony of a contract to supervise the upgrade of Highway No.1 between the National Highway 1 Project Management Board and Louis Berger and Deleeuw Carter Joint Venture (the US), June 10,1995 (Photo :VNA)

US Senator John McCain meets Mai Van On, who arrested and saved him 29 years ago, November 13,1996 (Photo: VNA)

US President Bill Clinton and his wife meet victims of bombs and mines as part of their official visit to Vietnam, November 18, 2000 (Photo: VNA)

US President Bill Clinton visits and talks with lecturers and students of Hanoi National University during his official visit to Vietnam, November 17, 2000 (Photo: VNA)

US President Bill Clinton, First Lady Hillary Clinton and their daughter visit a credit fund for the poor in Hanoi’s Soc Son district, November 17, 2000 (Photo:VNA)

President Tran Duc Luong reads a proposal asking the National Assembly to ratify the Vietnam-US Trade Agreement, at the 10th session of the 10th National Assembly, November 23, 2001 (Photo: VNA)

Chairman of Microsoft Corporation Bill Gates visits and exchanges with lecturers and students of Hanoi University of Technology, April 22, 2006 (Photo: VNA)

US President George W. Bush plays monochord, a traditional Vietnamese instrument, at a banquet hosted by President Nguyen Minh Triet during his official visit to Vietnam from November 17-20, 2006 (Photo: VNA)

During an official visit to the United States from June 18-23, 2007, President Nguyen Minh Triet witnesses the signing of the Trade and Investment Framework Agreement (TIFA) (Photo: VNA)

During an official visit to the United States from June 23-26, 2008, Prime Minister Nguyen Tan Dung witnesses the signing of a memorandum of understanding on education cooperation between the two countries, June 25, 2008 (Photo: VNA)

US Secretary of State Hillary Clinton and Foreign Minister Pham Gia Khiem at a ceremony in Hanoi to mark the 15th anniversary of the Vietnam-US relations, July 22, 2010 (Photo VNA)

President Truong Tan Sang and President Barack Obama at the talks in Washington DC where they declared the two countries established comprehensive partnership, July 25, 2013 (Photo: VNA)

President Truong Tan Sang meets US and Vietnamese war veterans in New York during his official visit to the United States, July 26, 2013 (Photo: VNA)

General Secretary Nguyen Phu Trong attends a ceremony where Boeing handed over Boeing 787-9 Dreamliner to Vietnam Airlines during his official visit to the US, July 6, 2015 (Photo: VNA)

General Secretary Nguyen Phu Trong holds talks with US President Barack Obama at the White House during his official visit to the United States, July 7, 2015 (Photo: VNA)

General Secrectary Nguyen Phu Trong meets with US businesses during his official visit to the United States from Julu 6-10, 2015 (Photo:VNA)

Chairman of National Assembly Nguyen Sinh Hung meets with US Senator Partrick Leahy in Washington D.C, September 9, 2015 (Photo: VNA)

State President Tran Dai Quang welcomes US President Barak Obama at the Presidential Palace in Hanoi, May 23, 2016 (Photo: VNA)

US President Barack Obama holds talks with President Tran Dai Quang in Hanoi during his state visit to Vietnam, May 23, 2016 (Photo: VNA)

President Barack Obama enjoys bun cha at Huong Lien Restaurant in Hanoi, May 23, 2016 (Photo: VNA)

President Donald Trump welcomes Prime Minister Nguyen Xuan Phuc at the White House during the latter’s official visit to the United States, May 31, 2017 (Photo: VNA)

President Donald Trump and Prime Minister Nguyen Xuan Phuc hold talks at the White House in Washington D.C, May 31, 2017 (Photo: VNA)

Prime Minister Nguyen Xuan Phuc and US Secretary of Commerce Wilbur Ross witness the handover of documents on trade and investment cooperation during the former’s official visit to the United States from May 29-31, 2017 (Photo: VNA)

State President Tran Dai Quang, US President Donald Trump and other delegates pose for group photos when attending the 25th APEC Economic Leaders' Meeting in Da Nang, November 11, 2017 (Photo: VNA)

President Tran Dai Quang welcomes US President Donald J. Trump while he was in Vietnam for a state visit and attendance at the APEC Economic Leaders’ Meeting from November 11-12, 2017 (Photo: VNA)

President Tran Dai Quang welcomes US President Donald J. Trump while he was in Vietnam for a state visit and attendance at the APEC Economic Leaders’ Meeting from November 11-12, 2017 (Photo: VNA)

Prime Minister Nguyen Xuan Phuc presents a portrait painting to US President Donald Trump during his state visit to Vietnam and attendance at the 2017 APEC Economic Leaders’ Meeting from November 11-12, 2017 (Photo: VNA)

Prime Minister Nguyen Xuan Phuc meets US President Donald Trump during the latter’s state visit to Vietnam and attendance at the APEC Economic Leaders’ Meeting from November 11-12, 2017 (Photo: VNA)

US President Donald Trump meets General Secretary Nguyen Phu Trong while he was in Vietnam for a state visit and attendance at the APEC Economic Leaders’ Meeting from November 11-12, 2017 (Photo: VNA)

Prime Minister Nguyen Xuan Phuc meets US President Donald Trump while he was in Hanoi for the second US-DPRK Summit, February 27, 2019 (Photo: VNA)

US Secretary of State Mike Pompeo welcomes and holds talks with Deputy Prime Minister and Foreign Minister Pham Binh Minh during his official visit to the US from May 22-23, 2019 (Photo: VNA)