Select the word which means the same as the group of words given.

A period of one thousand years

Millennium

The word that means the same as a period of one thousand years is millennium.

• Centenary means a period of one hundred years.
• Century also means a period of one hundred years, but it is often used to refer to a specific period of one hundred years, such as the 20th century.
• Decade means a period of ten years.