2015 CE
- Common Era
- 2015 CE
- Gregorian Calendar
- 2015 AD
- Holocene Calendar
- 12015 HE
- Japanese Calendar
- Heisei 27 (平成27年)
- Japanese Imperial Year
- Kōki 2675 (皇紀2675年)
- Chinese Sexagenary Cycle
- Yin Wood Sheep (乙未)
Milestones
- First human in space
- 54 years ago
- World War II ends
- 70 years ago
- Hindu-Arabic numerals introduced to Europe
- 813 years ago
- Mythical founding of Japan
- 2674 years ago
- Foundation of Rome
- 2767 years ago
- Beginning of Xia Dynasty in China
- 4115 years ago
- First Egyptian pyramid completed
- 4625 years ago
- End of the Paleolithic Period
- 12014 years ago