To tell old stories

To tell old stories.

To stir up past events.

Anytime you stir up the past and deal with civil rights a lot of people say ‘Oh, well that’s a done deal, it’s over with,’ and that couldn’t be furthest from the truth. – Jeff Woodard

To dig up (some) dirt.

Meaning:
Sharing juicy information with others.
Don’t look back. You’re not going that way. – Mary Engelbreit

To tell old stories / to stir up past events / to stir up the past / to dig up (some) dirt.

Meaning: starting or starting again about something (unpleasant) that happened in the past / bringing up unpleasant, almost forgotten events / reliving old long-forgotten cases, disputes or grievances.