Events are regulated to only allow cars of a certain era to participate.

You may have disliked its style but it certainly defined a certain era in 80s TV.

During certain eras of rock there was no political rock music at all, which really used to bug me.

How is it that you didn't get stuck in a certain era musically?

The point is, they all made news in a certain era because for a brief moment in time, the stylish endorsed them.

Was any other object or set so important to movies of a certain era?

It was a product of a certain era.

"It's not an easy thing to do if you grew up in a certain era," he said.

Examining the story of uniforms helps one understand the thinking of a certain era.

"Now the images are a testament to a certain era," he says.