Down to 18000 Dow in 2020, 2007-08, 9/11 aftermath, tech/Nasdaq crash in 1998-2000, 1987…those were all much worse (obviously).
But a 15% correction seems a bit of a shock with how low unemployment is, and how much profit some companies are raking in. That said, it was long overdue. You have interest rates rapidly climbing, affordable housing shortage, climate change, abortion battles, Ukraine, election year, gas prices, impossibility of spending under $100 at the grocery store, etc.
The government might be at its most dysfunctional since the Civil War in many aspects.