ancient history

idiom

Meaning

That which happened a long time ago and not worth discussing any more.

Examples

SIMPLE

Our old argument is ancient history now.

CONTEXTUAL

She told her friend that her past mistakes were ancient history and she wanted to move on.

COMPLEX

Although the bitter rivalry between the two families had been ancient history for decades, the townspeople still whispered about the original conflict.

Anchors to

ancient
history

Related idioms2entries

01
make history
To do something that will be widely remembered for a long time.
02
the rest is history
One does not need to continue narrating a story as the subsequent events are assumed to be well-known.