But it is an important part of our collective history.

It has a major collection that has important things to say to our collective history.

The curators have taken pains to present several distinct collective histories.

He also created a series of "collective histories" of performance art works.

They knew they were on the cusp of a moment that could change their collective history.

"There was never a central repository for the hall's collective history," said the archivist.

"Each story builds a collective history and increases community visibility," he said.

She was mourning not only the dead but her class's irrevocably altered collective history.

How the institutions represent the people's collective history and traditions.

And even the collective histories created or fixed by memorials are not stable.