Unfortunately, election rigging goes back as far as the country itself. The blatant thuggery of GOP-aligned election equipment companies helped deliver Bush a win in 2000, and he rewarded them with HAVA in 2002.
There have been multiple election scandals, leading to mergers and name changes, but the same far-right players remain.
Democrats managed to squeak through with Obama and Biden because those elections were, quite literally, too big to rig.
We covered the history of election interference in this article—note that even RFK Jr. argued Bush’s 2004 “win” was illegitimate: