Online Encyclopedia of Mass Violence was created in 2007.
The noun 'violence' is a mass (non-count) noun; multiples for violence are expressed as incidents of violence, acts of violence, occurrences of violence, reports of violence, etc.
On a widespread scale.
Athina Karatzogianni has written: 'Violence and war in culture and the media' -- subject(s): War and society, War in mass media, Violence in mass media
According to Wikipedia Online Encyclopedia (http://en.wikipedia.org/Bessemer_process) "The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron."
Mass violence and rioting.
Mass Distraction was created in 2002.
Plague Mass was created in 1990.
The Mass at Bolsena was created in 1514.
MASS Engineering was created in 1998.
The First Mass was created in 1961.
Mass Observation was created in 1937.
Slaves Mass was created in 1977.