At the end of the 20th century the last major changes took place.

But at the beginning of the 20th century, many people did.

I was so old by the turn of the century!

Until the middle of the 18th century, the town was under military administration.

Clinton's is about being a president at the end of the 20th century.

They have been used since the beginning of the 20th century.

The building was probably started in the second half of the 11th century.

By the second half of the 18th century the position was very different.

The world population was about 6.1 billion at the start of the 21st century.

Few changes were made in the early part of the 20th century.