The 20th century was marked by significant advancements in science and technology.

The original text of this novel was written at the beginning of the 19th century.

He wrote a letter and sent it to his friend.

I write a diary every day.

There will be a party at the beginning of March.

This is a photo from the first time I came to Japan.

This project will commence with research.

This is an important invention of the 20th century.

It's his habit to read a novel every night.

He picked up a pen to write down the poem.