Let's see:
He mocked Nigerians as living in huts
https://www.nytimes.com/2017/12/23/u...migration.html
He defended white supremists
https://www.nytimes.com/2017/08/15/u...ttesville.html
He called Urban African American areas Ghettos
https://www.washingtonpost.com/news/...=.8eba04a3640a
Insulted Muslims saying they don't report suspected terrorists
https://www.theguardian.com/us-news/...ted-terrorists
"Mexico / They're rapists"
https://www.washingtonpost.com/news/...=.422373052558
Still tries to deligitimize Obama saying he's not American / Birther Bullshit
http://www.cnn.com/2017/11/28/politi...nyt/index.html
If you have the time, here's a whole long history of racist bullshit from Trump:
https://www.pbs.org/newshour/politic...d-history-race
No one is surprised that Trump called a few continents "Shitholes". This is who Donald Trump really is.