The Paleolithic is the first era of human history.

The Bronze Age was an important period in human history.

The Neolithic was an important period in human history.

The Mesolithic is the era between the Paleolithic and the Neolithic.

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

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

It is important for us to respect cultural diversity and understand each other's differences.

I have started learning Traditional Chinese.

I am learning Simplified Chinese.

UNESCO is an international organization that promotes the development of education, science, and culture around the world.