Across two millennia humanity saw violent political disturbance about one year in four.

Evidence

In actuality, violent actions occur very often; but they do not occur as often as alternatives. Sorokin (1937, pp. 409–475) found, over two millennia, about one year of violent disturbance out of every four. — John T. Jost and Jim Sidanius, Political Psychology, 4311

Categorization

• XREF: connects to: Violent disturbance occurred in about one year out of four over two millennia — John T. Jost and Jim Sidanius, Political Psychology, 4311; Societal collapse is characterized by the downfall of government and the rise of violence — Societal collapse

Broader Connections

• Violent disturbance occurred in about one year out of four over two millennia #corroborates (1.00) — John T. Jost and Jim Sidanius, Political Psychology, 4311