quinquennium

New York held a quinquennium of history for myself and 40 years for mommy, and that history included my daddy.

This period—which the Roman emperor Trajan labelled the quinquennium Neronis—matches up almost exactly with the time of Seneca’s greatest influence over Nero.

In the quinquennium ending 1885 the number of such cigars was 34 millions.

The young tiger was held on leash for the famous quinquennium by Burrus and Seneca.

I confess with shame a pusillanimity that is apt to flag if a "to be continued" do not redeem its promise before the lapse of a quinquennium.