Possible parallels to political tension in 2022 - 2023 United States

In most of the examples below, political violence actually did break out. I'm not predicting that will be the case. Rather, I'm trying to find examples of what things would be like, if things continue to get worse.

when	where	name	what was conflict about	outcome	sources
1876	USA	1876 US presidential election	widespread allegations of electoral fraud and threats of election violence	the end of Reconstruction	(TODO)
1824	USA	1824 US presidential election	none of the candidates won a majority of the electoral vote	the end of the Era of Good Feelings and the First Party System	(TODO)
2019	Bolivia	2019 Bolivian political crisis	dispute over who won the election, with one side labeling it a "coup d'état"	two massacres, 33 killed, 715 injured	[1]
2016-present	Israel	Trial of Benjamin Netanyahu	prosecution of the then-current prime minister (whose politics align pretty closely with Trump's)	protests and political crisis	[1]
1960s-1998	Northern Ireland	The Troubles	an ethno-political conflict, partly involving the decision of whether Northern Ireland should continue being part of the United Kingdom or whether it should unify with the rest of Ireland	3532 killed, 47,000 injured	[1]
1973	Chile	1973 Chilean coup d'état	a military coup brought an end to decades of democratic governance	thousands killed	[1]
1854-1958	Kansas Territory	Bleeding Kansas	whether the new state of Kansas would be admitted as a slave state or free state	several violent skirmishes, 20-30 killed, ~180 injured	[1]