12 h, feb 6, 2020 y - (Later) First Death

Description:

https://www.businessinsider.com/santa-clara-county-california-confirms-february-coronavirus-death-first-us-2020-4
https://bgr.com/2020/04/27/coronavirus-stats-usa-first-death-happened-because-of-a-burst-heart/
https://www.nbcnews.com/news/us-news/1st-coronavirus-death-u-s-officials-say-n1145931

Added to timeline:

Date: