User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-45511117-20200603234658/@comment-3999290-20200608190602

Not really. The year 0 does not exist in Gregorian calendar so, as centuries, the first decade starts from year 1 to 10.

So the current decade 2011-2020, the 2nd of the 21th century, is not finished yet. :)