28 BCE The earliest dated record of a sunspot by Chinese astronomers. The Roman Senate grants Octavian Caesar imperium maius (supreme command) of the Roman armed forces (Around 28 legions). Gaius Julius Caesar Octavian becomes Roman Consul for the sixth time. His partner Marcus Vipsanius Agrippa becomes Consul for the second time.
In the 20s BC , the 1st century BC .
Gaius Julius Caesar Octavian becomes Roman Consul for the sixth time. His partner Marcus Vipsanius Agrippa becomes Consul for the second time.source Augustus initiates a census of the Roman Republic for the first time since 69 BC.source The Roman Senate grants Octavian Caesar imperium maius (supreme command) of the Roman armed forces (Around 28 legions).source May 10 – The earliest dated record of a sunspot by Chinese astronomers.source Deaths Alexandra the Maccabee, Hasmonean princess (approximate date)source Mariamne I, Hasmonean princess and wife Herod the Great (or 29 BC)source Nearby 31 BCE–22 BCE Days named on this page 6 of 6 sourced entries shown. Every line above is quoted from the revision linked beside it, which is 28 BC on English Wikipedia, revision 1368243773, retrieved 2026-09-06. Nothing on this page is written by us and nothing is generated: the sentences are the source’s own, so a claim you doubt can be checked against the exact revision it came from. Text is reused under CC BY-SA 4.0 .