Pompeo tweeted 1384 days on January 21, 2021.
(no, I can’t find the Tweet. Once I lose a Tweet, I haven’t been able to find it again)
The duration between April 8, 2017 and January 21, 2021 is 1384 days. Looking for actions that took place on that date, I see that the Senate voted to confirm Neil Gorsuch to the Supreme Court.
Trump met with Xi.
Chinese state media cheer Xi-Trump meeting, say confrontation not inevitable | Reuters
There are no executive orders signed on that date.
Starting with President Trump’s first day in office, January 20, 2017 and adding 1384 days gives you November 4, 2020.