The 21st century began on January 1, 2001 and will end on December 31, 2100. 1. * Century 1 began on January 1, 2001 and ended on December 31, 2010. 2. * Century 2 began on January 1, 2011 and will end on December 31, 2020. 3. * Century 3 will begin on January 1, 2021 and will end on December 31, 2030. 4. * Century 4 will begin on January 1, 2031 and will end on December 31, 2040. 5. * Century 5 will begin on January 1, 2041 and will end on December 31, 2050. 6. * Century 6 will begin on January 1, 2051 and will end on December 31, 2060. 7. * Century 7 will begin on January 1, 2061 and will end on December 31, 2070. 8. * Century 8 will begin on January 1, 2071 and will end on December 31, 2080. 9. * Century 9 will begin on January 1, 2081 and will