August 7, 2018: The US announces that the second tranche of tariffs, which would hit $16 billion worth of Chinese goods, will take effect August 23.
August 23, 2018: The US imposes tariffs on another $16 billion worth of Chinese goods, and Beijing responds with tariffs on $16 billion worth of US goods.
September 7, 2018: Trump says the tranche of tariffs on $200 billion worth of Chinese goods is coming "soon" and threatens to impose tariffs on another $267 billion worth of Chinese goods.
September 17, 2018: The US imposes tariffs on $200 billion worth of Chinese goods, and the tariff rate is scheduled to increase to 25% from 10% on January 1.
December 1, 2018: Trump and Chinese President Xi Jinping sit down at the G20 summit in Argentina, where the two leaders hash out a trade truce, delaying the escalation of US tariffs until March 1.
December 4, 2018: Despite the truce, Trump tweets that he is still a "Tariff Man" and says a deal will get done only if it is in the best interest of the US.
February 24, 2019: After a series of negotiations, Trump announces that US tariffs will not increase on March 1. He delays the increase indefinitely.
April 1, 2019: Violent clashes between authorities and pro-democracy protesters break out in Hong Kong, a semi-autonomous Chinese territory. The government blames US influence for the demonstrations, but Trump maintains a softer tone with President Xi Jinping.