Dwight David Eisenhower had to deal with the racial unrest in Little Rock, Arkansas in 1957.
There is context here.
There are tomes discussing this context; these tomes abound.
This previous Supreme Commander of the ETO and of course the principal director of the Allied DDay Invasion subsequently became the Supreme Commander of all Allied Forces in WWII.
Ike ended up President of The United States of America.
This great man from Texas had never been a champion of Civil Rights. He once rued the day that he had appointed Earl Warren as Chief Justice of our Supreme Court.
But Ike had to 'step up to the plate' when Little Rock exploded whilst 'Negro Children' were attempting to enter school.