Post by RiP, IMDb on Dec 31, 2019 23:12:09 GMT
There are TWO types of decades!!! 2010-9 THEN 2020-9 and ALSO 2011-20 THEN 2021-30!!! One CORRESPONDS with the 2000s (2000-2999) OR (2000-99). The OTHER to either and BOTH the 21st century (2001-2100) and the 3rd millennium (2001-3000)!!!!