A comprehensive timeline of the coronavirus pandemic at 1 year, from China’s first case to the present

The 1-year anniversary of the coronavirus pandemic has arrived: The first case was confirmed in Wuhan, China, in December 2019.
Chinese government data suggests the virus was likely circulating by mid-November.
In the year since, the virus has infected more than 78 million people and killed more than 1.7 million.
Here is a timeline of the most significant events and milestones of the pandemic.
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Find further detail about each of these events below.