Sentence examples for that was then from inspiring English sources

Of course, that was then.

"Aye, that was then".

O.K. — that was then; what about now?

Well, that was then.

That was then.

However, that was then.

But that's then.

that is,, then,.

hence, that is,, then.

That, famously, was then.

That, however, was then.