He achieved a four concealed triples in mahjong.

He points out other people's problems without noticing his own, a perfect example of 'the darkest place is under the candlestick'.

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

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.

My dream is to visit the Federal Republic of Germany someday.