Revisionism aims to change our understanding of past events.

He is spending a lot of time on experimental research.

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.

We should always remember the power of Kannon in difficult times.

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