The Netherlands went offline for a bit (piks.nl)

Ams-IX (one of the larger IX-s) had a large outage, causing an effect on almost all internet traffic in the country. More: https://ams-ix.net/

Just long enough to unplug fibers, install passive taps, and reconnect.

I actually noticed it, I was at the erasmus university and the wifi there just ground to a halt. Then I switched to 4G but that wasn't much better. I thought it was very strange but this explains it.