Amphibians first appeared around 364 million years ago, followed by early amniotes and birds around 155 million years ago (both from reptile like lineages), mammals around 129 million years ago, homininae around 10 million years ago and modern humans around 250,000 years ago.

It began with the formation of the Earth about 4.5 billion years ago and ended, as defined by the ICS, .

The age of the Earth is about 4.5 billion years.

It took place, once, in 326 B.C.

Goguryeo's traditional founding date is 37 BC, but it was mentioned in Chinese records as early as 75 BC, or possibly even 2nd century BC.

Had we chosen this option, sometime around 200,000 years ago, we would probably still be living like the Neanderthals were when we first entered Europe 40,000 years ago.

The sea formed upon separation of the North American Plate and Greenland Plate that started about 60 million years ago and stopped about 40 million years ago.

18 years ago, I saw a photograph in the paper.

It was founded by the American Jewish Committee in 1945.

The species originated about 60 million years ago.

The era places Jesus' birth year in 1 BC, but modern scholars have determined that he was born in or before 4 BC.

It was presented in front of a jury in 1944, but it took 11 years of modifications before it was officially adopted.

A friend of mine explained to me, before the '79 revolution, it was two. After the revolution, three.

The play is set in a Parisian theatre on a night about one year before Wilde's death.

Prior to World War II, they were making 1000 planes a year.

And only in the last 50 years or so that sugar consumption rose sharply.

What was left of its population submitted to Rome in 277 BC.

Before then, the loch was frozen solid for about 20,000 years.

It would be another 50 years before the entire dictionary was complete.

He reigned for 33 years at the end of the 30th century BC.

In 37 BC, Jumong became the first king of Goguryeo.

Let us proceed to discharge our duties and to accomplish the mission which we undertook a year ago.

He then joined the University of Virginia, where he was made professor in 1970, before moving to Stanford in 1981.

He was detained at Vienna in 1917 and 1918 and in Rome in 1918 and 1919 before returning to Albania in 1919.

So, 120 years ago, Dr. Röntgen X rayed his wife's hand.

Only a year later was absolutely necessary surgery actually carried out.

These words are true today as much as they were almost 15 years ago.

Geological evidence suggests the Pacific coastal route was open for overland travel before 23,000 years ago and after 16,000 years ago.

Until 1961, the official South Korean era (for numbering years) was called the Dangi (), which began in 2333 BC.

The modern version of this honor has been conferred on non Japanese recipients beginning in 1981 (although several foreigners were given the honor before World War II) and women were awarded the Order starting in 2003 (previously, women were awarded the Order of the Precious Crown).

About a year prior to this oil spill, a 17 year old student had invented a degreaser.

Here is a drawing by Leonardo da Vinci, 500 years ago, before photography.

The first felids emerged during the Oligocene, about 25 million years ago.

History Five thousand years prior to European arrival, the island was settled by Native Americans.

The servants reveal that they died of tuberculosis more than 50 years before.

The history of poison stretches from before 4500 BC to the present day.

Imagine if we had invested much more in Haitian children 15 years ago.

The requirement to notify before export may be waived by the designated national authority of the importing Party.

About 200,000 years ago Europe and the Middle East were colonized by Neanderthal man, extinct by 39,000 years ago following the appearance of modern humans in the region from 40,000 45,000 years ago.

From 10,500 9,500 BCE (12,500 11,500 BP), the broad spectrum big game hunters of the great plains begun to focus on a single animal species the bison (an early cousin of the American bison).

Now how did we do this? How did we go from being hunter gatherers 10,000 years ago to building these gigantic cities in just a few thousand years?

The British established colonies in Australia in 1788, New Zealand in 1840 and Fiji in 1872, with much of Oceania becoming part of the British Empire.

And the parallels between the events of 539 BC and 2003 and in between are startling.

He was flying off the coast of Goa, 21 years ago, 1988. October, 1988.

Fifty years before the battle, Baku produced half of the world's oil supply.