The US Congress passes the Hong Kong Autonomy Act, which sanctions Chinese individuals and banks responsible for undermining Hong Kong's autonomy, following China's passage of a national security law for the city a day earlier.
China begins five days of military exercises around the South China Sea's Paracel Islands, which Vietnam also claims. The US Pentagon expresses its concerns in a statement.
Four US agencies warn American companies that they face legal risks and harm to their reputation if they have supply chain links with entities in China guilty of human rights abuses, including the forced labour of Uighur Muslims in Xinjiang.
US media organisations, namely, the Associated Press, UPI, CBS and National Public Radio, are ordered to submit details of their operations in China as retaliation for the US classifying four major Chinese state media outlets as foreign embassies.
The US deploys two aircraft carriers to the South China Sea as China's own naval exercises in the contested waters are ongoing.
A Navy official describes the mission as a routine operation, but analysts call it a significant show of force.
Secretary of State Mike Pompeo says the US is considering banning TikTok, a social media app owned by Chinese tech giant ByteDance popular among American teenagers, over personal data security concerns.
Chinese Foreign Minister Wang Yi gives a major speech outlining ways to mend frayed US-China ties, acknowledging that the bilateral relationship is at its lowest since 1979.
He says China has no interest in replacing the US but accuses the country's hawks of portraying China as an enemy.
The US sanctions senior Chinese officials over alleged human right abuses of Uighur Muslims in Xinjiang.
The US formally rejects most of China's South China Sea claims as unlawful, in a policy shift that backs an international arbitral tribunal's 2016 ruling of the claims as illegal.
Pompeo slams China's "campaign of bullying" South-east Asian nations to gain control of offshore resources.
Beijing condemns the statement as an attempt to sow discord between China and other coastal states in the region.
China imposes retaliatory sanctions on four US politicians, including three Republican Congressmen who are vocal critics of its alleged human rights abuses in Xinjiang, for interfering in its internal affairs.
President Trump scraps Hong Kong's special status under US law and signs into law the Hong Kong Autonomy Act that will punish Chinese officials responsible for the city's national security law.
The US also begins the suspension of its extradition agreement with Hong Kong. China vows sanctions on American individuals and entities in response.
Britain announces it will ban Chinese tech giant Huawei's equipment from its 5G networks, reversing its initial decision amid American lobbying for European countries to exclude Huawei from their 5G networks due to potential security concerns. China slams the decision as ''disappointing''.
China announces sanctions on American aerospace and defense manufacturer Lockheed Martin over Washington's recent approval of weapons sales to Taiwan.
The New York Times and Wall Street Journal reported that the Trump administration is in early discussions over a travel ban on Communist Party of China members and their families.
The proposed travel ban, if greenlit, could block more than 90 million Chinese nationals from entering the US.
Attorney-General William Barr in a speech slammed Disney, Hollywood, and other American corporations for "kowtowing" to China, accusing them of censoring themselves on issues sensitive to Beijing in exchange for short-term profits.
American companies will learn the cost of compromise, he says, pointing to how copycat theme parks sprung up in China after Disney opened its park in Shanghai.
The US sanctions four Chinese nationals and one company for their roles in trafficking fentanyl, a drug that has played a major role in America's opioid crisis.