US used the chemical herbicide called Agent Orange in Vietnam war which killed or maimed 400K Vietnamese, although the use of such weapons was outlawed in Geneva in 1925. The excuse was that it was used against crops, not people.
US Radium employed girls to paint glow-in-the-dark dials with radium paint, telling them to shape the brush points with their lips or fingers. When employees later started losing their jaws, company-paid examiners covered it up and claimed they had syphilis.
After the Civil War, 10k Confederates left the U.S., set up colonies in Brazil, and still celebrate their heritage till this day.
The first female millionaire in the US was African-American, born just a few years after slavery was abolished.
The US gov killed 10,000 people by poisoning alcohol during prohibition to get people to stop drinking.
On June 1, 1921, the largest race riot in US history completely wiped out one of the wealthiest African-American communities in the country. The incident started and snowballed after a black man accidentally stepped on the foot of a white woman.
The upper balconies of American churches and theaters were once commonly referred to as “nigger heaven“.
Native Americans did not receive US citizenship until 1924.
In 1958, only 4 percent of Americans supported marriage between “whites and colored people“.
In 1931, people in Cameroon collected money to send to the “starving Americans“, all together it amounted to $3.77.