Well, it happend on May, 1998, and it happened to Chinese people only.
Many Chinese people were killed and dozens of them were raped.
They estimated that thousands of Chinese were killed and some corpse were gone.
All Chinese people who are still survive are hurted by the tragedy.
If you're interested to know more about it, you can check it on websites. Just type "Anti-Chinese Riots in Indonesia, 1998" or some kind of it.
You may also find some videos in (YouTube - Broadcast Yourself.