This fortress played a crucial role in the medieval wars.

His art works are characterized by a variegated use of colors.

He is a minute observer.

He explained the detailed circumstances to me.

His art works are characterized by a variegation of colors.

The trial at the family court will begin next week.

During the Great Kanto Earthquake, my grandfather was still a child.

During the earthquake, my grandfather was still a child.

The Great Eastern Japan Earthquake had a significant impact on our country.

Learning about the history of Baekje is very interesting.