First case of COVID-19 is identified in China.

On March 13, 2020, it was reported that the first case of someone in China suffering from Covid-19, the disease caused by the novel coronavirus, can be traced back to November 17.

Sources:

• 
  March 13, 2020. Josephine Ma. “Coronavirus: China’s First Confirmed Covid-19 Case Traced Back to November 17.” South China Morning Post.
  https://www.scmp.com/news/china/society/article/3074991/coronavirus-chinas-first-confirmed-covid-19-case-traced-back.
  News.
• 
  May 12, 2020. Susan V. Lawrence. “COVID-19 and China: A Chronology of Events (December 2019-January 2020).” R46354. Congressional Research Service.
  https://crsreports.congress.gov/product/pdf/R/R46354/1.
  Government.