Do we really want to be led into the 21st century?

They were used from the 1850s until well into the 20th century.

"We will not go into the 21st century with the same problems."

Let's see if we can make the changes last well into the 21st century.

"We're going into the 21st century and we have to look at new ways of doing things."

The world was half an hour into the new century.

He said the change would bring the process into the 20th century.

May you be doing so well into the next century!

The way things are going, I will continue to be available well into the next century.

However, the business did not last long into the new century.