The old church on the hill dates back to the twelfth century.

You gradually trace further and further back into the past, adding these ever more distant relationships.

Well the reason, I think, essentially is, again, back to the civilization state.

If you look at the origins of this, the classic history sort of takes it all back to the ENIAC here.

And I think once we ask that question we have to go back, actually, to life. Because obviously, if we keep extending the origins of technology far back, I think we come back to life at some point.

So when you do tree ring studies of trunks that are on the mountain, some of them go back 10,000 years.

Remember, this tradition comes to us not from the mists of Avalon, back in time, but further still, before we were scratching out these stories on papyrus, or we were doing the pictographs on walls in moist, damp caves.

5220 Prior surveillance

OK, here's another mine that's up on top of the property, and it dates back to 1870.

Article 4

And this chart goes back to 1500.

the principle of non retroactivity of laws

Through my work, I've been trying to find ways to harness and unveil this.

Because if we go far enough back, we share a common ancestry with every living thing on Earth.

Now I'm going to step back in history.

We just want to go back and find out more.

And then time here, from 1858 I start the world.

It all started back in 2001.

You can find out where your relatives come from you can do your genealogy going back thousands of years.

It goes all the way back to Aristotle.

All these things, they come back to plants.

Their history actually goes back to about the time of Christ.

They go back about two and a half million years.

You can decode the genome, you can look back, you can link us all together by a mitochondrial DNA, but we can't get further than the last ancestor, the last visible cell that we could sequence or think back in history.

It goes back to, you know, the real real versus the fake real.

Back in 1995, we got a new wing next to the museum.

Most Americans are descended from immigrants.

According to Iraq, Jordan had already made plans to address depletion and deterioration of its groundwater resources before the conflict.

Let's go all the way back to 1932 when, on a peanut farm in Georgia, a little baby boy named Roosevelt Grier was born.

They want to go back to its roots and make conscious hip hop popular again.

The first tunnels date back to 60 B.C.

These are animals whose lineage dates back about 100 million years.

It goes back to a time when I was very often staying in hotels.

And you can do the same with your genes and track them back in time.

And of course, our thermometers only take us back 50 years or so here.

Most Americans are descended from immigrants.

But we get these instrumental and near instrumental quality records of temperature change that go back hundreds of years, and we put them together.

We've been on a journey, a return journey, of 13.7 billion years.

It's really been a long time since we've known about fusion.

Presently, only the data on the incidence of injuries are available, and can be followed for the last five years.

So what this figure shows is that spiders date back to almost 380 million years.

Women Without Men returns to history, but another part of our Iranian history.

For the answer to this, we turn to our spiritual path.

The Y chromosome, the piece of DNA that makes men men, traces a purely paternal line of descent.

The criminal law is applied retroactively only when this results in benefit for the defendant.