<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (April 2009) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (April 2009) (Learn how and when to remove this template message) </Td> </Tr> <P> A century (from the Latin centum, meaning one hundred; abbreviated c .) is a period of 100 years . Centuries are numbered ordinally in English and many other languages . For example, "the 17th century" strictly refers to the years from 1601 to 1700, but popularly refers to be the years 1600 to 1699 . </P> <P> A centenary is a hundredth anniversary or a celebration of this, typically the remembrance of an event which took place a hundred years earlier . </P>

How many years is equal to 1 century