3 ms·no. the pandemic triggered the 4th big one.by masnaox 6y agono. the pandemic triggered the 4th big one.Legogris 6y agoAnd when was the 3rd?ac29 6y agoQE3 was 2012-2014: https://en.wikipedia.org/wiki/Quantitative_easing#US_QE1,_QE2,_and_QE3 https://en.wikipedia.org/wiki/Quantitative_easing#US_QE1,_QE...