bimillennium   (TTS Sound)

The bimillennium has 2 Senses.

• bimillennium, bimillenary
• the 2000th anniversary (or the celebration of it)
• 2000周年（または、それの祝賀）

• bimillennium, bimillenary
• a span of 2000 years
• 2000年間