The convective overturn model of supernovae was proposed by Bethe and Wilson in 1985, and received a dramatic test with SN 1987A, and the detection of neutrinos from the explosion.

After Democratic nominee Joe Biden won the 2020 United States presidential election, Republican nominee and then-incumbent president Donald Trump pursued an unprecedented effort to overturn the election, with support from his campaign, proxies, political allies, and many of his supporters.