3

AD 3 in other calendars
Gregorian calendar	AD 3; III
Ab urbe condita	756
Assyrian calendar	4753
Balinese saka calendar	N/A
Bengali calendar	−590
Berber calendar	953
Buddhist calendar	547
Burmese calendar	−635
Byzantine calendar	5511–5512
Chinese calendar	壬戌年 (Water Dog); 2699 or 2639; — to —; 癸亥年 (Water Pig); 2700 or 2640
Coptic calendar	−281 – −280
Discordian calendar	1169
Ethiopian calendar	−5 – −4
Hebrew calendar	3763–3764
Hindu calendars
- Vikram Samvat	59–60
- Shaka Samvat	N/A
- Kali Yuga	3103–3104
Holocene calendar	10003
Iranian calendar	619 BP – 618 BP
Islamic calendar	638 BH – 637 BH
Javanese calendar	N/A
Julian calendar	AD 3; III
Korean calendar	2336
Minguo calendar	1909 before ROC; 民前1909年
Nanakshahi calendar	−1465
Seleucid era	314/315 AG
Thai solar calendar	545–546
Tibetan calendar	阳水狗年; (male Water-Dog); 129 or −252 or −1024; — to —; 阴水猪年; (female Water-Pig); 130 or −251 or −1023

Millennium:	1st millennium
Centuries:	1st century BC – 1st century – 2nd century
Decades:	20s BC 10s BC 0s BC – 0s – 10s 20s 30s
Years:	1 BC AD 1 AD 2 – AD 3 – AD 4 AD 5 AD 6

The year 3 (III) was a common year which started on a Monday.^[1] according to the Julian calendar. According to the Gregorian calendar, it started on a Wednesday.^[2] At the time, it was known as the Year of the Consulship of Lamia and Servilius. The year is called 3 since the early medieval period, when the Anno Domini calendar era became the usual method in Europe for naming years. It was the 3rd year of the 1st century.

Events

The rule of Augustus is renewed for a ten-year period.
Augustus adopts his grandson, Gaius Caesar, with the expectation that he will succeed him. Gaius is made proconsul and is sent on a special mission to the East.
Lucius Aelius Lamia is consul of Rome
Marcus Valerius Messalla Messallinus is consul of Rome

Menneas becomes Archon of Athens
Five German tribes are unified by Marbod, King of the Marcomanni. The unification of the five tribes represents a direct threat to Rome in the area that will become Silesia and Saxony.

Wang Mang foils a plot by his son,Wang Yu, his brother-in-law, Lu Kuan, and the Wei clan to remove him from the regent's position. Wang Yu and Lu Kuan are killed in the purge that follows.