More than a century passed, however, before any action was taken.
But by now almost a century and a half had passed.
"So even if we make it back, a century or more might have passed."
But now that half a century has passed, it is time to put the home run in better perspective.
Nearly a century passed before this idea was taken seriously.
But only five centuries had passed since the beginning of the Plan.
In all, half a century passed before the continuum returned to the ground state.
Even now, after more than a century has passed, little is known about it.
How many centuries had passed since these places were abandoned?
When the time came to take the offensive against them, at least a few centuries would have passed.