Page 2 - NOTES

 Century: A century is a period of 100 years. We count centuries in
history every 100 years starting from 1 CE. For example, we are in
the 21st century CE, which goes from 2001 to 2100.

 Millennium: A millennium is a period of 1,000 years. We count
millenniums starting from 1 CE. For example, we are in the 3rd

millennium CE, which started in 2001 CE and will end in 3000 CE.