I started my journey 30 years ago.

And it's an essay I read 30 years ago.

20 years ago, 30 years ago, only big professional astronomers with very big telescopes could see far into space.

So I want to isolate this, because it was a great observation 30 years ago, right, 30 years ago and it's one that's laid fallow in research.

We had full page advertisements, some 30 years, 25 years ago when this canal came.

And that is, when my wife and I got married 30 years ago, we started tithing.

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

I'm very pleased for it to have happened at Newmarket because this is where I landed 30 years ago.

Just over 30 years ago, the nations of the world assembled at Alma Ata and made this iconic declaration.

The draft resolution continues the tradition of resolutions first initiated by Belarus under this agenda item 30 years ago.

So I'm going to talk about one experiment that a few dentists in Connecticut cooked up about 30 years ago.

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

For example, for things that were written more than 50 years ago, the computer cannot recognize about 30 percent of the words.

We are still far away from achieving the target of 0.7 per cent set more than 30 years ago and reaffirmed at Monterrey.

Again, Bandura recognized this years ago, decades ago.

Six years ago,

He died 25 years ago this year, and was born 75 years ago this year.

This reason really is that I am a man who, almost 30 years ago, had his life saved by two long courses of electroshock therapy.

But then we looked at recent urban development, and we noticed that this is like a Shanghai street, 30 years ago. All bikes, no cars.

My country became a 30 year old democracy today, and the hopes and aspirations we had when we joined the United Nations 30 years ago as its one hundred and forty second member still remain.

That's 25 years ago.

That was years ago.

And in Kyoto, outside, there are still small family run bakeries that make fortune cookies, as they did over 100 years ago, 30 years before fortune cookies were introduced in the United States.

Nearly three years ago, I decided to leave my comfortable job as a World Bank senior economist in Washington and come back to my country of birth, Ethiopia, after nearly 30 years abroad.

And as I look back over 30 years ago, it was a little naive to think at that age that I could. But I wanted to.

And then you created Earth about 4.5 billion years ago, and then you got life about four billion years ago, and then you got hominids about 0.006 billion years ago, and then you got our version of hominids about 0.0015 billion years ago.

And it s actually something that we invented a few years ago, or created a few years ago.

And what these layers that's what the surface used to be a million years ago, 10 million years ago, 100 million years ago, and you get deposits on top of them.

It happened 225 years ago.

I married eight years ago.

He died three years ago.

But stuff did feel like it could have been taken 30 or 40 years ago, like it was locked in the Cold War era and hadn't necessarily progressed.

This is a rock that was about 30 yards across, so roughly the size of the ones that blew up over Tunguska and hit Arizona 50,000 years ago.

Except, if you had taken physical anthropology as recently as 20 or 30 years ago, in many cases you would have learned basically that same classification of humanity.

Fracking came out in '47, and don't believe for a minute when our president gets up there and says the Department of Energy 30 years ago developed fracking.

Two years ago that remained an informal discussion, but the consensus resolution we adopted two years ago reflected those advances.

It was taken 18 years ago.

That was just 10,000 years ago.

This ship sank 1,500 years ago.

A hundred years ago, guess what?

Humans appeared about 200,000 years ago.

This story began four years ago.

But that was me years ago.

A hundred years ago, we didn't.

The accident happened two years ago.