The earliest dated record of a sunspot by Chinese astronomers. Gaius Julius Caesar Octavian becomes Roman Consul for the sixth time. His partner Marcus Vipsanius Agrippa becomes Consul for the second time. Augustus initiates a census of the Roman Republic for the first time since 69 BC.
Geopolitics & Diplomacy
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
Religion & Belief
The Roman Senate grants Octavian Caesar imperium maius (supreme command) of the Roman armed forces (Around 28 legions).source
Science & Discovery
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