One reference book states: “Never in human history had there been so long a span of general tranquility, and never again was peace to be maintained so steadily among so many people. ”
Ühe teatmeteose sõnul polnud „mitte kunagi inimkonna ajaloos olnud nii pikka rahuaega ja mitte kunagi hiljem pole sellist rahu kogenud nii paljud rahvad ”. ( „The Horizon Book of Ancient Rome ”.)