The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Estimated timeline boundary: Google dates the first Belgian data centre opening to 2010. December 31 is a year boundary, not an announced opening day.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most. A picture that shows something else, or shows it badly, is looked at too, and moved down or replaced.
Operational as verified from the sources reviewed October 10, 2026. Google operates its Saint-Ghislain campus in Belgium. The operator timeline records the initial opening in 2010 and a subsequent expansion completed in 2015.[1]
Estimated timeline boundary: Google dates the first Belgian data centre opening to 2010. December 31 is a year boundary, not an announced opening day.
Saint-Ghislain, Belgium. Map marker approximates the published locality or project area; the exact facility parcel or entrance was not verified.