1999 CE
- Common Era
- 1999 CE
- Gregorian Calendar
- 1999 AD
- Holocene Calendar
- 11999 HE
- Japanese Calendar
- Heisei 11 (平成11年)
- Japanese Imperial Year
- Kōki 2659 (皇紀2659年)
- Chinese Sexagenary Cycle
- Yin Earth Rabbit (己卯)
Milestones
- First human in space
- 38 years ago
- World War II ends
- 54 years ago
- Hindu-Arabic numerals introduced to Europe
- 797 years ago
- Mythical founding of Japan
- 2658 years ago
- Foundation of Rome
- 2751 years ago
- Beginning of Xia Dynasty in China
- 4099 years ago
- First Egyptian pyramid completed
- 4609 years ago
- End of the Paleolithic Period
- 11998 years ago