GENERAL KNOWLEDGE

Detailed explanation-1: -millennium, a period of 1, 000 years. The Gregorian calendar, put forth in 1582 and subsequently adopted by most countries, did not include a year 0 in the transition from bc (years before Christ) to ad (those since his birth). Thus, the 1st millennium is defined as spanning years 1–1000 and the 2nd the years 1001–2000.

Detailed explanation-2: -Since in Latin mille means “thousand", a millennium lasts 1, 000 years. Thus, we’re living today at the beginning of the third millennium since the birth of Christ.

Detailed explanation-3: -a period of 1, 000 years, or the time when a period of 1, 000 years ends: The corpse had lain preserved in the soil for almost two millennia. Compare. century.