In no particular order:
You have to be more specific as to when, because various groups have been discriminated against at different times. Chinese immigrants were discriminated against on the west coast at one time, as were Catholic immigrants.
Every race has been discriminated against just as every race has discriminated against others.
No groups likes being discriminated against.
1234 lol
They aren't. Most groups are just as discriminated against as any other, and less so in certain areas.
whites
African Americans and Women
Early Americans discriminated against "african americans" and "american indians' A: Also the Chinese who worked, not only on the transcontinental railway system, but on many of the railroads in this country.
Discrimination occurs around the world in society, including against African people. It is no different nowadays, than it was in the past, except that it is less socially acceptable for certain groups to be discriminated against.
Being discriminated against for your religion
right to be treated equally and not discriminated against
found high paying jobs