NIFTY CYCLIC NEXT MOVE

Market crash cyclic

2008 - Lehman brothers
2011 - Europe problem
2013 - Taper Tantrum
2015 - china currency devalue
2017 - trump win & demonetization
2018 - dow fall 10%
2020 - corona virus

Every 2 years market facing a fall is this year also happen the same?