What was the srebrenica massacre and how come no one knows about it?

Question

it's relatively obscure even though it was a major genocide...why?

Answer 1

The Srebrenica Massacre, also known as Srebrenica Genocide, was the July 1995 killing of an estimated 8,000 Bosniak males, in the region of Srebrenica in Bosnia and Herzegovina by units of the Army of Republika Srpska (VRS) under the command of General Ratko Mladić during the Bosnian War. In addition to the Army of Republika Srpska, a paramilitary unit from Serbia known as the "Scorpions" participated in the massacre.

It's the largest mass murder in Europe since World War II.
It's relatively obscure maybe because there wasn't much media coverage on it, at least in other parts of the world.
For more info, read this page:

Answer 2

It was a massacre by the Serbs. What makes you think no one knows about it?