Millennium (noun)

A period of 1000 years.

Origin:

From latin mille, meaning thousand and annus, meaning year. it is a cognate with german millennium, dutch millennium and swedish millennium. the term is used to indicate a period of 1000 years.

Examples:

1. The new millennium began on January 1, 2000.
2. The world is preparing for the next millennium.
3. The third millennium of the Christian era began on January 1, 2001.
4. Many people believe that the world will experience a major change at the start of the next millennium.
5. The millennium bug caused problems for many computer systems.