The twenty-first century is the first century of the third millennium (2001 - 3000). The increasing prevalence of global communications and encounters with other calendars (Islamic calendar, Chinese calendar, Persian calendar, Hebrew calendar) suggest that the terms "21st century" and "the third millennium" have a substantial cultural bias. Some futurists suggest simply abandoning the idea of "centuries", setting the start date back to the beginning of human urbanization in the 4th millennium BC, making this the seventh millennium. Within that, some suggest also adopting a cyclic time model based on global climate change, which they view as the macro-equivalent of the annual seasons.... More • http://en.wikipedia. ... st_century View • Books • Images • Videos • Search Related • Periods • 21st Century • 3rd Millennium AD