2001 CE
- Common Era
- 2001 CE
- Gregorian Calendar
- 2001 AD
- Holocene Calendar
- 12001 HE
- Japanese Calendar
- Heisei 13 (平成13年)
- Japanese Imperial Year
- Kōki 2661 (皇紀2661年)
- Chinese Sexagenary Cycle
- Yin Metal Snake (辛巳)
Milestones
- First human in space
- 40 years ago
- World War II ends
- 56 years ago
- Hindu-Arabic numerals introduced to Europe
- 799 years ago
- Mythical founding of Japan
- 2660 years ago
- Foundation of Rome
- 2753 years ago
- Beginning of Xia Dynasty in China
- 4101 years ago
- First Egyptian pyramid completed
- 4611 years ago
- End of the Paleolithic Period
- 12000 years ago