There appears to be a glitch currently impacting some Google Maps users, causing their historical Timeline data to vanish.

An increasing number of Google Maps users have noticed that their Timeline history is completely gone. With Timeline enabled, ...

A glitch has been purging timeline data on Google Maps, and nobody is sure whether they'll be able to get it back or not.

Over the past day, some users have reported that their Google Maps Timeline is missing. As of December, Google Maps ...