A boiling over of tensions between Hanoi and neighbouring giant China has left at least one Chinese worker dead in the worst anti-Beijing riots in decades in Vietnam.
The countries’ longstanding territorial disputes over the South China Sea have been peppered by tit-for-tat barbs and occasional clashes.
Key dates over the years:
January: China invades the Paracel Islands held by Washington-backed South Vietnam. Dozens of Vietnamese troops are left dead.
April: Reunification of South and North Vietnam.
February-March: The Sino-Vietnamese Border War breaks out after Hanoi invades neighbouring Cambodia and ousts the Beijing-backed Khmer Rouge. Tens of thousands of lives are lost on both sides.
March: Vietnam and China fight a naval battle on Johnson Reef in the Spratly Islands which killed around 70 Vietnamese.
November: The two countries officially normalise ties
December: A land boundary pact is inked
December: Hanoi and Beijing sign a maritime boundary accord known as the Tonkin Gulf agreement
June: Vietnam holds a live-fire drill in the South China Sea
June: Hanoi passes a law claiming sovereignty over Paracel and Spratly islands, dismissing China’s protests as “absurd”. At around the same time, Beijing creates the administrative Sansha city in the Paracels, known in China as the Xisha islands.
December: Anti-Beijing protests erupt in Hanoi and Ho Chi Minh City after claims that China had sabotaged a Vietnamese boat. Beginning in 2011, rallies were initially tolerated by Hanoi but later clamped down upon.
November: Vietnamese immigration officers refuse to to stamp entry visas into new Chinese passports featuring a map laying claim to almost all of the South China Sea.
March: China defends taking action against boats that enter its waters, after Hanoi accuses a Chinese vessel of attacking a Vietnamese fishing boat.
May: Beijing deploys a deep-water drilling rig, along with a reported 70 vessels, into contested waters.
May: Hanoi accuses China of colliding with ships and firing water cannon. China in turn accuses Vietnam of ramming vessels.
May: The worst anti-Beijing riots erupt in decades in Vietnam, leaving at least one Chinese worker dead as China accuses Hanoi of acting in concert with protesters.