21st century BC


The 21st century BC was a century which lasted from the year 2100 BC to 2001 BC.

Events

Note: all dates from this long ago should be regarded as either approximate or conjectural; there are no absolutely certain dates, and multiple competing reconstructed chronologies, for this time period.
Although many human societies were literate in this period, some individual persons mentioned in this article ought to be considered legendary rather than historical.
See: List of sovereign states in the 21st century BC.

Decades and years