Over the past few days, three pages, Index, Washington, Index (economics), and Index (statistics), have gone from a few hundred views per day to a few hundred thousand (pageviews tool). There's no obvious reason for these three pages to get a genuine traffic spike, and there has been no corresponding spike in edits to the page that you might expect from their subjects becoming suddenly popular. Filtering page views to automated views shows a similar spike, although the numbers involved are much smaller.
Notably, this isn't a spike for everything linked from Index: Index, Virginia, which is linked from the same page, still only has a couple views per day (pageviews tool).