|Centuries:||1st century BC – 1st century – 2nd century|
|Decades:||20s BC 10s BC 0s BC – 0s – 10s 20s 30s|
|Years:||2 BC 1 BC AD 1 – AD 2 – AD 3 AD 4 AD 5|
|Gregorian calendar||AD 2|
|Ab urbe condita||755|
|Balinese saka calendar||N/A|
|Chinese calendar||辛酉年 (Metal Rooster)|
2698 or 2638
— to —
壬戌年 (Water Dog)
2699 or 2639
|Coptic calendar||−282 – −281|
|Ethiopian calendar||−6 – −5|
|- Vikram Samvat||58–59|
|- Shaka Samvat||N/A|
|- Kali Yuga||3102–3103|
|Iranian calendar||620 BP – 619 BP|
|Islamic calendar||639 BH – 638 BH|
|Julian calendar||AD 2|
|Minguo calendar||1910 before ROC|
|Seleucid era||313/314 AG|
|Thai solar calendar||544–545|
128 or −253 or −1025
— to —
129 or −252 or −1024
Roman Empire change
- Following the death of Lucius Caesar, Livia Drusilla convinced Augustus to allow her son Tiberius back into Rome as a private citizen. This was after six years in enforced retirement on Rhodes.
- Gaius Caesar meets with Phraates V, the king of Parthia on the Euphrates.
- Publius Alfenus Varus and Publius Vinicius become Roman Consuls.
- Cedeides becomes Archon of Athens.
- Using Roman military support, Artavasdes III, son of Ariobarzanes II, king of Media Atropatene, becomes the king of Armenia.
- The first census is concluded in China. The census has begun the year before. Final numbers show a population of nearly 60 million (59,594,978 people in a bit more than 12 million households). The census is one of the most accurate surveys in Chinese history.
- The Chinese census shows nearly one million people living in Vietnam.