NPR sez...

[nwhiker]

Or at least tweets:

The date 02-02-2020 is the only eight-digit palindrome of the century. It works in the cross-cultural formats of MM-DD-YYYY and DD-MM-YYYY.

The last time we had such a date was 908 years ago on 11-11-1111.

The story: Why A Day Like Sunday Hasn't Been Seen In 900 Years.