National Guards are part of US military (under military court jurisdiction with military rules of engagement). Here is an incomplete list of all the times US Government has “Sent in the Troops” on US civilians

1791–1794 https://en.wikipedia.org/wiki/Whiskey_Rebellion

1863 Lincoln declared Martial Law. https://en.wikipedia.org/wiki/Habeas_Corpus_Suspension_Act_(1863)

1921 https://en.wikipedia.org/wiki/Battle_of_Blair_Mountain

1932 https://en.wikipedia.org/wiki/Bonus_Army (With Tanks in DC)

1965 LA riot: https://en.wikipedia.org/wiki/Watts_riots

1967 Race Riots: https://en.wikipedia.org/wiki/Race_riots_of_1967

1968 riots: https://en.wikipedia.org/wiki/1968_riots

1970 Kent State Massacre: https://en.wikipedia.org/wiki/Kent_State_shootings

1980 Miami Riot: https://en.wikipedia.org/wiki/1980_Miami_riots

1992 LA riot: https://en.wikipedia.org/wiki/1992_Los_Angeles_riots

2014 Ferguson riot https://en.wikipedia.org/wiki/Ferguson_unrest (National Guards called in to impose curfew)

2015 Baltimore Protests: https://en.wikipedia.org/wiki/2015_Baltimore_protests

2016 Charlotte Protest: https://www.blackpast.org/african-american-history/charlotte-riot-2016/