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.
Groundbreaking year: approximate calendar placement from the published year, month, or season; the selected day is a placeholder, not a verified event day. This is not an opening date.
Altoona, Iowa: groundbreaking year 2013.[1]
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.
Meta’s site-specific information sheet describes the Altoona, Iowa data centre as part of its operating infrastructure. The global directory records a 2013 groundbreaking. This timeline milestone is not an opening date.[1][2]
Timeline: Groundbreaking year: approximate calendar placement from the published year, month, or season; the selected day is a placeholder, not a verified event day. This is not an opening date.
Map location: Location is approximate locality; coordinates are not a surveyed facility entrance.
