Two years ago, three years ago, about four years ago, markets did well.

Four years ago, I showed you this picture.

I was here about four years ago, talking about the relationship of design and happiness.

Four years ago, 23 African countries came together to create the Great Green Wall Sahara.

That's the question that sort of hit me in the middle of a Davos afternoon about four years ago.

By the way, this video is pretty accurate of how the landing took place, you know, about four years ago.

And that is how our solar system was formed, four and a half billion years ago.

When I was here four years ago, I told the story about an ant climbing a blade of grass.

And so a few years ago fours years ago, actually I set out to say, is there a way we can communicate science and technique and wonder?

In short, they are acquiring the status that they had a million years ago, 10,000 years ago, 100,000 years ago.

You needed to get life out of this junk that is present on the early Earth, four, 4.5 billion years ago.

Again, Bandura recognized this years ago, decades ago.

Al Gore spoke at the TED conference I spoke at four years ago and talked about the climate crisis.

Four years ago, on the TED stage, I announced a company I was working with at the time called Odeo.

On 25 October 1973, Abebe Bikila died in Addis Ababa at the age of 41 from a cerebral hemorrhage, a complication related to the accident of four years earlier.

It happened two years ago.

It happened three years ago.

About four years ago my Achilles tendon started to hurt and I was told it was Achilles tendonitis.

I'm going to be sharing with you how four years ago I almost died found out I was, in fact, already almost dead.

This theory suggests that Mars was struck by a Pluto sized body about four billion years ago.

His mission is to investigate a recently found artifact Tycho Magnetic Anomaly One (TMA 1) deliberately buried four million years ago.

It did this a thousand years ago.

A hundred years ago, we didn't.

He died three years ago.

He died five years ago.

That was two years ago.

She died five years ago.

He died five years earlier.

He died ten years ago.

That happened three years ago.

Tom died a number of years ago.

We had these data a few years ago.

A hundred years ago, guess what?

It happened 225 years ago.

But that was me years ago.

I did some work for Microsoft a few years back.

The accident happened two years ago.

The accident happened two years ago.

I was born 20 years ago.

Marilyn Monroe died 33 years ago.

I got acquainted with him three years ago.

Tom met Mary three years ago.

Tom died a couple of years ago.

My father died ten years ago.

I met Tom three years ago.