1 definition by randbo

A millennial cycle is equal to 1000 years. The oldest millennial at this point in time (December 30, 2016) should be 16 years of age. Since the turn of the century in 1999 to 2000 started a new millennia. People that state 1980 - 1999 births are the millennial generation is mistaken.
person 1 : i was born in 1999, i am last century
person 2 : i was born in 2000, i am a millennial
by randbo December 31, 2016
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