The Quaternary is the most recent era in Earth's history.

At what point in Earth's history does the Triassic period fall?

The Triassic period is one of the geological ages, referring to the period from about 252 million years ago to about 251 million years ago.

The Bronze Age was an important period in human history.

The Azuchi-Momoyama period was a very important time in Japanese history.

The Azuchi-Momoyama period, also known as the Oda-Nobunaga period, was a very important time in Japanese history.

The Neolithic was an important period in human history.

The Paleolithic is the first era of human history.

He said he couldn't agree with the views of the revisionists.

He started exercises to strengthen his gluteus medius muscle.