President Trump’s “liberation day” tariffs have rattled global markets and spurred fears of a recession — and they’re even gotten pushback from Trump’s close loyal allies, Elon Musk. As market watchers fear what’s next, here’s a look back at the biggest stock crashes in US history, rom the Oct. 1929 crash that led to the Great Depression to most recently, the recession caused by the onset of the COVID-19 pandemic in spring 2020, find out how the current stock drop might compare.