As the century unfolded, increasing numbers of Americans responded to his call.

Thus were Kipling's poetic predictions borne out as the 20th century unfolded.

But she continues to issue occasional progress reports as the 19th century unfolds.

As the 20th century unfolded, both parties would strengthen their ranks and form the current two-party system of American politics.

Think of all you will see, experience, as this new century unfolds!

Cardiff saw an enormous rise in its population as the 19th century unfolded.

That doesn't necessarily mean things will be worse for Americans as the century - the Chinese century - unfolds.

But who will come after, as the 21st century unfolds itself?

And as the 19th and 20th centuries unfolded, things did not get any easier.

Just over there, on the mainland, more than twenty centuries of recorded history had unfolded.