Talking About Past Events

To the best of my memory.

According to my memory, though it might not be perfect.

If I remember correctly.

Reminiscing about the past.

In that period of the past.

Before that event.

Afterward; later.

Following a significant event, often negative.

A significant time has passed.

Describing the origin of a past situation.

Quickly moving to a later point in time.

In that past time.

From then on.

Reflecting on the past.

During that period in the past.

The event that happened.

Despite what was just mentioned.

Looking back with the benefit of experience.

Reflecting on past events with newfound understanding.

With hindsight, it's obvious that...

Considering what happened afterward...

It's irrelevant now, but...

As events unfolded...

The final result was...